<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:be05419e-01fc-4fdd-85d3-65a951f29669,g:526eaf95-e615-4677-af99-78575a0d42e0-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="brlt-20230331.xsd#UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_194abdf7-bbff-4853-870b-509be1290d4d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_79d58783-3f3a-459e-9b3d-5f028dbc9ce5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_194abdf7-bbff-4853-870b-509be1290d4d" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_79d58783-3f3a-459e-9b3d-5f028dbc9ce5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_6860d711-bff7-42b6-8f28-3b5696acc6ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_194abdf7-bbff-4853-870b-509be1290d4d" xlink:to="loc_us-gaap_LiabilitiesCurrent_6860d711-bff7-42b6-8f28-3b5696acc6ac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_e61c2876-dd4e-42b8-8b4d-71c378f45099" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedIncomeTaxesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_194abdf7-bbff-4853-870b-509be1290d4d" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_e61c2876-dd4e-42b8-8b4d-71c378f45099" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_3f009f23-860b-434c-afc6-258e7286a320" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_194abdf7-bbff-4853-870b-509be1290d4d" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_3f009f23-860b-434c-afc6-258e7286a320" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_e3cc7f7d-7732-4641-a374-00bd75a56cc8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_194abdf7-bbff-4853-870b-509be1290d4d" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_e3cc7f7d-7732-4641-a374-00bd75a56cc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_72bfa560-b36f-4d3a-86dc-88c32e7770ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4b2661b8-5dea-4ea7-ae08-cda1bfdee6de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_72bfa560-b36f-4d3a-86dc-88c32e7770ae" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4b2661b8-5dea-4ea7-ae08-cda1bfdee6de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_fa677ec2-fddb-444d-8f67-ff653cdb8dcc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_72bfa560-b36f-4d3a-86dc-88c32e7770ae" xlink:to="loc_us-gaap_CommitmentsAndContingencies_fa677ec2-fddb-444d-8f67-ff653cdb8dcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_5e93d451-b8d7-4813-a1d8-c7916c2f2bf7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_72bfa560-b36f-4d3a-86dc-88c32e7770ae" xlink:to="loc_us-gaap_Liabilities_5e93d451-b8d7-4813-a1d8-c7916c2f2bf7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_5619525d-f08f-478c-9502-40074f217e07" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_9e7179c0-e63c-46cc-83ab-3083c73e98a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5619525d-f08f-478c-9502-40074f217e07" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_9e7179c0-e63c-46cc-83ab-3083c73e98a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_add58a3d-6e75-4863-afa3-424d7a000d1a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5619525d-f08f-478c-9502-40074f217e07" xlink:to="loc_us-gaap_AssetsCurrent_add58a3d-6e75-4863-afa3-424d7a000d1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a69b4cc4-721d-41f4-987c-5c698a566d70" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5619525d-f08f-478c-9502-40074f217e07" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a69b4cc4-721d-41f4-987c-5c698a566d70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_0205721c-834b-4f7c-a516-a17b02ccbb30" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5619525d-f08f-478c-9502-40074f217e07" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_0205721c-834b-4f7c-a516-a17b02ccbb30" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_90c46a11-7c89-4ca5-849e-605130a61a79" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5619525d-f08f-478c-9502-40074f217e07" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_90c46a11-7c89-4ca5-849e-605130a61a79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d6522a0b-31f3-4674-9831-5e8082383f84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_8172bca4-30bb-48df-a2e3-dfc055d55d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6522a0b-31f3-4674-9831-5e8082383f84" xlink:to="loc_us-gaap_InventoryNet_8172bca4-30bb-48df-a2e3-dfc055d55d3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_09bfd562-efc4-431d-a832-b388ec7147eb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6522a0b-31f3-4674-9831-5e8082383f84" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_09bfd562-efc4-431d-a832-b388ec7147eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_aeefde92-be37-4172-a7e0-17ecf0bf36a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6522a0b-31f3-4674-9831-5e8082383f84" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_aeefde92-be37-4172-a7e0-17ecf0bf36a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_9572ba75-cb91-4b83-aeb3-d1666ccb5de5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d6522a0b-31f3-4674-9831-5e8082383f84" xlink:to="loc_us-gaap_RestrictedCash_9572ba75-cb91-4b83-aeb3-d1666ccb5de5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_9e30e9ac-b1b5-4560-ae30-d3f32b6876cf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_eb73813b-8c1f-4760-97ff-9235fbb848d3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9e30e9ac-b1b5-4560-ae30-d3f32b6876cf" xlink:to="loc_us-gaap_PreferredStockValue_eb73813b-8c1f-4760-97ff-9235fbb848d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_07b3ba33-4544-4ec2-8715-3dc4626c8313" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9e30e9ac-b1b5-4560-ae30-d3f32b6876cf" xlink:to="loc_us-gaap_CommonStockValue_07b3ba33-4544-4ec2-8715-3dc4626c8313" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_25b6c5c7-1f74-4899-bc3f-ed21214f517a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9e30e9ac-b1b5-4560-ae30-d3f32b6876cf" xlink:to="loc_us-gaap_AdditionalPaidInCapital_25b6c5c7-1f74-4899-bc3f-ed21214f517a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_d600709b-93d9-41a2-bfa0-ffc60e5f8cda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9e30e9ac-b1b5-4560-ae30-d3f32b6876cf" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_d600709b-93d9-41a2-bfa0-ffc60e5f8cda" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_dfb02298-4097-4ffe-924a-3559beae8e14" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_2dc99b4c-bec9-4fe9-87a8-cbe870f80ea7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_dfb02298-4097-4ffe-924a-3559beae8e14" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_2dc99b4c-bec9-4fe9-87a8-cbe870f80ea7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_fd88dff4-da04-4303-9f23-f96a3e6a4462" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_dfb02298-4097-4ffe-924a-3559beae8e14" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_fd88dff4-da04-4303-9f23-f96a3e6a4462" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_7ccda5d3-385e-425d-b540-2d8234239283" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_dfb02298-4097-4ffe-924a-3559beae8e14" xlink:to="loc_us-gaap_LongTermDebtCurrent_7ccda5d3-385e-425d-b540-2d8234239283" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_e89e756b-b33e-44ab-ad7f-67bbcdf9bcec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_dfb02298-4097-4ffe-924a-3559beae8e14" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_e89e756b-b33e-44ab-ad7f-67bbcdf9bcec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_4f7c464a-30a6-4754-a016-2bec77c1ac18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_dfb02298-4097-4ffe-924a-3559beae8e14" xlink:to="loc_us-gaap_AccountsPayableCurrent_4f7c464a-30a6-4754-a016-2bec77c1ac18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b605ed51-ce41-4346-b6bb-25cd4cfae3c1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_d05d03d1-cb11-4646-b42e-ab4e8b437aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b605ed51-ce41-4346-b6bb-25cd4cfae3c1" xlink:to="loc_us-gaap_StockholdersEquity_d05d03d1-cb11-4646-b42e-ab4e8b437aa0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_c8badb8a-6c47-4e7f-8a38-ce4de595446b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b605ed51-ce41-4346-b6bb-25cd4cfae3c1" xlink:to="loc_us-gaap_MinorityInterest_c8badb8a-6c47-4e7f-8a38-ce4de595446b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="brlt-20230331.xsd#UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_72a22b7d-c861-4439-ab14-5f5c08b0a7a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_ddb3b3d0-d56d-489b-97a3-35f22af23643" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_72a22b7d-c861-4439-ab14-5f5c08b0a7a9" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_ddb3b3d0-d56d-489b-97a3-35f22af23643" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ce9f6dba-8181-4e64-b04c-c983a07aba4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_72a22b7d-c861-4439-ab14-5f5c08b0a7a9" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ce9f6dba-8181-4e64-b04c-c983a07aba4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_06ac2cbc-05c5-4168-926c-8a160f40f18e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_74641b16-eaf0-4554-83ab-800aef2e4932" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_06ac2cbc-05c5-4168-926c-8a160f40f18e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_74641b16-eaf0-4554-83ab-800aef2e4932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_fdd4af4f-3ba2-46cc-9a50-7350bf1ae19a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_06ac2cbc-05c5-4168-926c-8a160f40f18e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_fdd4af4f-3ba2-46cc-9a50-7350bf1ae19a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0dd38a4c-b0db-4030-8b69-f2fab1484dcf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_88c2f4ef-d7c6-4a43-a71c-1439b852a4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0dd38a4c-b0db-4030-8b69-f2fab1484dcf" xlink:to="loc_us-gaap_OperatingIncomeLoss_88c2f4ef-d7c6-4a43-a71c-1439b852a4a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_606742a6-f27a-4c35-b19f-cd10d381644e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0dd38a4c-b0db-4030-8b69-f2fab1484dcf" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_606742a6-f27a-4c35-b19f-cd10d381644e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_ec7d0a2f-3675-4e22-8660-e7c6f4c885d5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_0dd38a4c-b0db-4030-8b69-f2fab1484dcf" xlink:to="loc_us-gaap_InterestExpense_ec7d0a2f-3675-4e22-8660-e7c6f4c885d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3d19d314-097e-4b31-9f2f-3350e46fec1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1e8cdc15-45de-453c-9882-42f0fdf2efc4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_3d19d314-097e-4b31-9f2f-3350e46fec1e" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1e8cdc15-45de-453c-9882-42f0fdf2efc4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_06be8624-4cb0-414e-9e58-952728a5bf54" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_3d19d314-097e-4b31-9f2f-3350e46fec1e" xlink:to="loc_us-gaap_ProfitLoss_06be8624-4cb0-414e-9e58-952728a5bf54" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_3a555c5f-61aa-4e90-8891-5e9fe7e8c02c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_78f8546b-f83f-4560-aa98-443841495e8b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_3a555c5f-61aa-4e90-8891-5e9fe7e8c02c" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_78f8546b-f83f-4560-aa98-443841495e8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_664b7972-4c61-4283-9c73-d2192731b8d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_3a555c5f-61aa-4e90-8891-5e9fe7e8c02c" xlink:to="loc_us-gaap_GrossProfit_664b7972-4c61-4283-9c73-d2192731b8d0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="brlt-20230331.xsd#UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_21b6f88a-b9f4-4ee0-b047-615cae3391b0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_0d8e4aa5-62de-41e1-966e-934c61f7eb7c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_21b6f88a-b9f4-4ee0-b047-615cae3391b0" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_0d8e4aa5-62de-41e1-966e-934c61f7eb7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_8c9a7eb4-7935-4980-a4bc-91c091bed9f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_8c9a7eb4-7935-4980-a4bc-91c091bed9f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_d2093c49-5a9a-4ad3-a584-13305da2687c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssets_d2093c49-5a9a-4ad3-a584-13305da2687c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_1f9c014f-3354-4693-811e-64f7152d730d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_1f9c014f-3354-4693-811e-64f7152d730d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_877c6b1c-d37c-44ed-b1fe-07560ddbc363" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_877c6b1c-d37c-44ed-b1fe-07560ddbc363" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_3af7090a-6a2b-455c-8bc6-f8ec216fed68" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_3af7090a-6a2b-455c-8bc6-f8ec216fed68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_b4153592-9197-4064-aa89-e82074f48831" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_b4153592-9197-4064-aa89-e82074f48831" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_7bf31725-5b7b-46ac-9033-e24bcdb67220" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_ShareBasedCompensation_7bf31725-5b7b-46ac-9033-e24bcdb67220" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_5a5a874e-7519-4c91-9e93-e941eec9d165" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_5a5a874e-7519-4c91-9e93-e941eec9d165" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_ae23dd28-74ab-421b-9422-c6ac37c29e89" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_ae23dd28-74ab-421b-9422-c6ac37c29e89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_1628096d-eef7-4205-b7b9-55ccc71a971b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_Depreciation_1628096d-eef7-4205-b7b9-55ccc71a971b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_db22f30f-397e-4598-b7fa-02976d94a338" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_db22f30f-397e-4598-b7fa-02976d94a338" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_08115c32-4d9e-478c-9d54-47e6208ef803" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_08115c32-4d9e-478c-9d54-47e6208ef803" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_f9c4709f-5537-44ea-a15e-ebeb32fc624f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_fdbbabab-f669-4614-a922-2b94efb94dca" xlink:to="loc_us-gaap_ProfitLoss_f9c4709f-5537-44ea-a15e-ebeb32fc624f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_52774ff2-655b-4b05-aaec-5e56441699ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_d81ef767-9d9a-4196-a1a7-655b31fd8e75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_52774ff2-655b-4b05-aaec-5e56441699ca" xlink:to="loc_us-gaap_RepaymentsOfOtherLongTermDebt_d81ef767-9d9a-4196-a1a7-655b31fd8e75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDistributionsToAffiliates_af43d153-0ed4-4822-968f-4468350127c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDistributionsToAffiliates"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_52774ff2-655b-4b05-aaec-5e56441699ca" xlink:to="loc_us-gaap_PaymentsOfDistributionsToAffiliates_af43d153-0ed4-4822-968f-4468350127c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_671fe8ec-09fe-4d0d-8fb2-db72e2732203" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_824e1812-3994-4c14-85fc-1e46295c4424" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCash"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_671fe8ec-09fe-4d0d-8fb2-db72e2732203" xlink:to="loc_us-gaap_RestrictedCash_824e1812-3994-4c14-85fc-1e46295c4424" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_dba94ee3-5bbc-44c3-a551-58a4ab308e15" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_671fe8ec-09fe-4d0d-8fb2-db72e2732203" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_dba94ee3-5bbc-44c3-a551-58a4ab308e15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_4c365bd0-48ab-4cb4-b220-512d8d47e22e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_43ad3b88-a97f-4870-aef5-f81c76814b22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_4c365bd0-48ab-4cb4-b220-512d8d47e22e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_43ad3b88-a97f-4870-aef5-f81c76814b22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_094d3a12-b13f-428c-b1bb-eea44d99cd96" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_4c365bd0-48ab-4cb4-b220-512d8d47e22e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_094d3a12-b13f-428c-b1bb-eea44d99cd96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_44a9e56d-b4c2-48ce-9454-746e3768d925" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_4c365bd0-48ab-4cb4-b220-512d8d47e22e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_44a9e56d-b4c2-48ce-9454-746e3768d925" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#EarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0a57e00c-8ec8-4e28-9a9f-ca4a30ccbe77" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_a19dfdad-8a33-415d-8187-df2a667fd386" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0a57e00c-8ec8-4e28-9a9f-ca4a30ccbe77" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_a19dfdad-8a33-415d-8187-df2a667fd386" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_72180633-4993-4a82-8649-46374aa2df1e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0a57e00c-8ec8-4e28-9a9f-ca4a30ccbe77" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_72180633-4993-4a82-8649-46374aa2df1e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/InventoriesNetScheduleofInventoriesNetDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#InventoriesNetScheduleofInventoriesNetDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/InventoriesNetScheduleofInventoriesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_1c59bf57-041d-48dd-bdb4-60144a21463d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_2db7b5fe-548d-413b-8463-e1b6b2ed2194" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_1c59bf57-041d-48dd-bdb4-60144a21463d" xlink:to="loc_us-gaap_InventoryGross_2db7b5fe-548d-413b-8463-e1b6b2ed2194" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_cfdd9b3d-b81a-44c4-9e23-a53e16b8af26" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryValuationReserves"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_1c59bf57-041d-48dd-bdb4-60144a21463d" xlink:to="loc_us-gaap_InventoryValuationReserves_cfdd9b3d-b81a-44c4-9e23-a53e16b8af26" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/AccruedExpensesandOtherCurrentLiabilitiesAccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#AccruedExpensesandOtherCurrentLiabilitiesAccruedExpensesAndOtherCurrentLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/AccruedExpensesandOtherCurrentLiabilitiesAccruedExpensesAndOtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_AccruedVendorExpensesCurrent_ead426b3-d743-4ec2-9fa4-646c9b12cd1f" xlink:href="brlt-20230331.xsd#brlt_AccruedVendorExpensesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_brlt_AccruedVendorExpensesCurrent_ead426b3-d743-4ec2-9fa4-646c9b12cd1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d1499047-9f34-4ae5-b7c2-2b512bcd80af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_d1499047-9f34-4ae5-b7c2-2b512bcd80af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_8043e429-0d7a-40b7-b089-6be771817726" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_8043e429-0d7a-40b7-b089-6be771817726" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_InventoryReceivedNotBilledCurrent_ac119e5c-b91b-4d2e-a9f6-3a05fc885722" xlink:href="brlt-20230331.xsd#brlt_InventoryReceivedNotBilledCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_brlt_InventoryReceivedNotBilledCurrent_ac119e5c-b91b-4d2e-a9f6-3a05fc885722" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_CurrentPortionOfTRA_3e51e4dd-0b2f-40e9-b89c-804daef2918c" xlink:href="brlt-20230331.xsd#brlt_CurrentPortionOfTRA"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_brlt_CurrentPortionOfTRA_3e51e4dd-0b2f-40e9-b89c-804daef2918c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_c7b0efff-f1fd-4751-872e-a3704e945281" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerRefundLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_c7b0efff-f1fd-4751-872e-a3704e945281" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_589763f9-bd93-4ce8-8805-343fe6b0d724" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_6d3b263c-9b3d-46a0-bc30-9c0badd30e95" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_589763f9-bd93-4ce8-8805-343fe6b0d724" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/LeasesTotalOperatingLeaseRightofUseAssetsandOperatingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#LeasesTotalOperatingLeaseRightofUseAssetsandOperatingLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/LeasesTotalOperatingLeaseRightofUseAssetsandOperatingLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_6d710d59-087c-4dd9-bf0d-109f88e6771d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization_22cb678d-3af4-4163-93f0-82ecf2630e97" xlink:href="brlt-20230331.xsd#brlt_OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset_6d710d59-087c-4dd9-bf0d-109f88e6771d" xlink:to="loc_brlt_OperatingLeaseRightOfUseAssetBeforeAccumulatedAmortization_22cb678d-3af4-4163-93f0-82ecf2630e97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_OperatingLeaseRightOfUseAssetAccumulatedAmortization_f9e2bed2-c000-49f8-a171-ccadcb3a4f09" xlink:href="brlt-20230331.xsd#brlt_OperatingLeaseRightOfUseAssetAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset_6d710d59-087c-4dd9-bf0d-109f88e6771d" xlink:to="loc_brlt_OperatingLeaseRightOfUseAssetAccumulatedAmortization_f9e2bed2-c000-49f8-a171-ccadcb3a4f09" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/LeasesFutureMinimumLeasePaymentsUnderLongtermNoncancelableOperatingLeasesDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#LeasesFutureMinimumLeasePaymentsUnderLongtermNoncancelableOperatingLeasesDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/LeasesFutureMinimumLeasePaymentsUnderLongtermNoncancelableOperatingLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f7780176-391d-40d7-ad7f-6ada0f4dd163" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_16e7ff8e-dbe1-49da-be30-8c955f163975" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f7780176-391d-40d7-ad7f-6ada0f4dd163" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_16e7ff8e-dbe1-49da-be30-8c955f163975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_27e89474-f86d-46fe-b123-54373b1c09f2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_f7780176-391d-40d7-ad7f-6ada0f4dd163" xlink:to="loc_us-gaap_OperatingLeaseLiability_27e89474-f86d-46fe-b123-54373b1c09f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_04a83ed7-faf0-4809-a1dc-aab1a4d09962" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_121e6bf8-4392-4b91-bddf-dade5f17ec83" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_04a83ed7-faf0-4809-a1dc-aab1a4d09962" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_121e6bf8-4392-4b91-bddf-dade5f17ec83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_f7f0e41d-dceb-4dca-8620-74651107c2af" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_04a83ed7-faf0-4809-a1dc-aab1a4d09962" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_f7f0e41d-dceb-4dca-8620-74651107c2af" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/LeasesFutureMinimumLeasePaymentsUnderLongtermNoncancelableOperatingLeasesDetails_1" xlink:type="simple" xlink:href="brlt-20230331.xsd#LeasesFutureMinimumLeasePaymentsUnderLongtermNoncancelableOperatingLeasesDetails_1"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/LeasesFutureMinimumLeasePaymentsUnderLongtermNoncancelableOperatingLeasesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_a51177d9-bb39-41fe-a86d-e2758819230c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_a51177d9-bb39-41fe-a86d-e2758819230c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_dd071800-1aa2-4d3a-8c0a-c2b9276ffcc9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_dd071800-1aa2-4d3a-8c0a-c2b9276ffcc9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22b30b83-839d-4e4e-a6d6-31d3085b32a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_22b30b83-839d-4e4e-a6d6-31d3085b32a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_43762899-7746-4b41-951a-310035bfff3d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_43762899-7746-4b41-951a-310035bfff3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_f1f6b8b7-80cc-44d2-b7dd-fe249bee16d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_f1f6b8b7-80cc-44d2-b7dd-fe249bee16d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_6ced3579-ed95-495b-866a-2e87ef65d1cd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_6ced3579-ed95-495b-866a-2e87ef65d1cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_41fde04f-6a18-4c6e-808c-3453e3360d2c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_4533826a-b609-4570-9223-5f01d6c3f1e1" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_41fde04f-6a18-4c6e-808c-3453e3360d2c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/DebtTermLoanDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#DebtTermLoanDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/DebtTermLoanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_0349dbda-5b95-47e1-b93d-749797020ad0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_301d3c30-3247-42ab-9409-c08344d75fce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0349dbda-5b95-47e1-b93d-749797020ad0" xlink:to="loc_us-gaap_LongTermDebtCurrent_301d3c30-3247-42ab-9409-c08344d75fce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_LongTermDebtExcludingCurrentMaturitiesGross_dcdab501-fdf6-4b06-b8ca-0c36d8b39efc" xlink:href="brlt-20230331.xsd#brlt_LongTermDebtExcludingCurrentMaturitiesGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_0349dbda-5b95-47e1-b93d-749797020ad0" xlink:to="loc_brlt_LongTermDebtExcludingCurrentMaturitiesGross_dcdab501-fdf6-4b06-b8ca-0c36d8b39efc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_e38adde3-6349-4ca5-9515-c6d1c25ddccd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_65bc7c34-e4fb-4834-9bab-5067f78d55c5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_e38adde3-6349-4ca5-9515-c6d1c25ddccd" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_65bc7c34-e4fb-4834-9bab-5067f78d55c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_6bd940f9-30ef-48b2-87e4-4facc173c123" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_e38adde3-6349-4ca5-9515-c6d1c25ddccd" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_6bd940f9-30ef-48b2-87e4-4facc173c123" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_b130a637-b98d-4ca4-83c6-28a71865eec5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_46b6aede-3aff-4414-80b5-1a65a243bd6f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_b130a637-b98d-4ca4-83c6-28a71865eec5" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_46b6aede-3aff-4414-80b5-1a65a243bd6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_LongTermDebtExcludingCurrentMaturitiesGross_626bd5ef-6d9d-4d29-bd6b-a22432ad690b" xlink:href="brlt-20230331.xsd#brlt_LongTermDebtExcludingCurrentMaturitiesGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_b130a637-b98d-4ca4-83c6-28a71865eec5" xlink:to="loc_brlt_LongTermDebtExcludingCurrentMaturitiesGross_626bd5ef-6d9d-4d29-bd6b-a22432ad690b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/DebtTermLoanDetails_1" xlink:type="simple" xlink:href="brlt-20230331.xsd#DebtTermLoanDetails_1"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/DebtTermLoanDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_ca530dee-f833-49d3-8141-652b2eee1606" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_2e8f1368-7406-48c2-81af-cfd141102ebb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_ca530dee-f833-49d3-8141-652b2eee1606" xlink:to="loc_us-gaap_LongTermDebtCurrent_2e8f1368-7406-48c2-81af-cfd141102ebb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_1907f324-d614-4754-b4cc-55f28ac1b7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_ca530dee-f833-49d3-8141-652b2eee1606" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_1907f324-d614-4754-b4cc-55f28ac1b7d7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/DebtDebtMaturityDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#DebtDebtMaturityDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/DebtDebtMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_cb8c7dd1-48ff-4e81-9d51-4777c5ec2089" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_5bc862e5-9d3b-4509-b4cb-b092b5696786" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_cb8c7dd1-48ff-4e81-9d51-4777c5ec2089" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_5bc862e5-9d3b-4509-b4cb-b092b5696786" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_e2d60d9e-aad6-45c6-b2c7-2572928e2a47" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_cb8c7dd1-48ff-4e81-9d51-4777c5ec2089" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_e2d60d9e-aad6-45c6-b2c7-2572928e2a47" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_d864cf17-4984-4f21-a958-be09d658fb5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_cb8c7dd1-48ff-4e81-9d51-4777c5ec2089" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_d864cf17-4984-4f21-a958-be09d658fb5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2531d5f3-0798-4ffc-af2d-5d664cfae752" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_cb8c7dd1-48ff-4e81-9d51-4777c5ec2089" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2531d5f3-0798-4ffc-af2d-5d664cfae752" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_ec9e29ca-e203-45fc-ad2c-63717977a3ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_cb8c7dd1-48ff-4e81-9d51-4777c5ec2089" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_ec9e29ca-e203-45fc-ad2c-63717977a3ff" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brilliantearth.com/role/EquityBasedCompensationStockOptionActivityDetails" xlink:type="simple" xlink:href="brlt-20230331.xsd#EquityBasedCompensationStockOptionActivityDetails"/>
  <link:calculationLink xlink:role="http://brilliantearth.com/role/EquityBasedCompensationStockOptionActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_05903253-6722-4dff-9149-cd76e04edbce" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_brlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNonvestedNumber_2c0aae03-0765-410c-88fc-518371ca72a8" xlink:href="brlt-20230331.xsd#brlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNonvestedNumber"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_05903253-6722-4dff-9149-cd76e04edbce" xlink:to="loc_brlt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNonvestedNumber_2c0aae03-0765-410c-88fc-518371ca72a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_b2d702e9-202d-4e43-92a6-dbd75e314561" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_05903253-6722-4dff-9149-cd76e04edbce" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_b2d702e9-202d-4e43-92a6-dbd75e314561" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
