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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:f1161026-6f81-42e2-be67-24e0a8cbaa6a,g:ce6dc315-ff60-48b4-a941-a0b972e855c3-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:brlt="http://brilliantearth.com/20260331" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://brilliantearth.com/20260331">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="brlt-20260331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="brlt-20260331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="brlt-20260331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="brlt-20260331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://brilliantearth.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETS" roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETS">
        <link:definition>9952151 - Statement - UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>9952152 - Statement - UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS">
        <link:definition>9952153 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY" roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY">
        <link:definition>9952154 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://brilliantearth.com/role/UNAUDITEDCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>9952155 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES" roleURI="http://brilliantearth.com/role/DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES">
        <link:definition>9952156 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHARE" roleURI="http://brilliantearth.com/role/EARNINGSPERSHARE">
        <link:definition>9952157 - Disclosure - EARNINGS PER SHARE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUE" roleURI="http://brilliantearth.com/role/REVENUE">
        <link:definition>9952158 - Disclosure - REVENUE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNET" roleURI="http://brilliantearth.com/role/INVENTORIESNET">
        <link:definition>9952159 - Disclosure - INVENTORIES, NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIES" roleURI="http://brilliantearth.com/role/ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIES">
        <link:definition>9952160 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASES" roleURI="http://brilliantearth.com/role/LEASES">
        <link:definition>9952161 - Disclosure - LEASES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATION" roleURI="http://brilliantearth.com/role/EQUITYBASEDCOMPENSATION">
        <link:definition>9952162 - Disclosure - EQUITY-BASED COMPENSATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESANDTAXRECEIVABLEAGREEMENT" roleURI="http://brilliantearth.com/role/INCOMETAXESANDTAXRECEIVABLEAGREEMENT">
        <link:definition>9952163 - Disclosure - INCOME TAXES AND TAX RECEIVABLE AGREEMENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COMMITMENTSANDCONTINGENCIES" roleURI="http://brilliantearth.com/role/COMMITMENTSANDCONTINGENCIES">
        <link:definition>9952164 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies" roleURI="http://brilliantearth.com/role/DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies">
        <link:definition>9955511 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHARETables" roleURI="http://brilliantearth.com/role/EARNINGSPERSHARETables">
        <link:definition>9955512 - Disclosure - EARNINGS PER SHARE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUETables" roleURI="http://brilliantearth.com/role/REVENUETables">
        <link:definition>9955513 - Disclosure - REVENUE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNETTables" roleURI="http://brilliantearth.com/role/INVENTORIESNETTables">
        <link:definition>9955514 - Disclosure - INVENTORIES, NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESTables" roleURI="http://brilliantearth.com/role/ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESTables">
        <link:definition>9955515 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESTables" roleURI="http://brilliantearth.com/role/LEASESTables">
        <link:definition>9955516 - Disclosure - LEASES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONTables" roleURI="http://brilliantearth.com/role/EQUITYBASEDCOMPENSATIONTables">
        <link:definition>9955517 - Disclosure - EQUITY-BASED COMPENSATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" roleURI="http://brilliantearth.com/role/DESCRIPTIONOFBUSINESSANDSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails">
        <link:definition>9955518 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EARNINGSPERSHAREDetails" roleURI="http://brilliantearth.com/role/EARNINGSPERSHAREDetails">
        <link:definition>9955519 - Disclosure - EARNINGS PER SHARE (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUEScheduleofDisaggregationofRevenueDetails" roleURI="http://brilliantearth.com/role/REVENUEScheduleofDisaggregationofRevenueDetails">
        <link:definition>9955520 - Disclosure - REVENUE - Schedule of Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="REVENUENarrativeDetails" roleURI="http://brilliantearth.com/role/REVENUENarrativeDetails">
        <link:definition>9955521 - Disclosure - REVENUE - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNETScheduleofInventoriesNetDetails" roleURI="http://brilliantearth.com/role/INVENTORIESNETScheduleofInventoriesNetDetails">
        <link:definition>9955522 - Disclosure - INVENTORIES, NET - Schedule of Inventories, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNETAllowanceforInventoryObsolescenceDetails" roleURI="http://brilliantearth.com/role/INVENTORIESNETAllowanceforInventoryObsolescenceDetails">
        <link:definition>9955523 - Disclosure - INVENTORIES, NET - Allowance for Inventory Obsolescence (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNETNarrativeDetails" roleURI="http://brilliantearth.com/role/INVENTORIESNETNarrativeDetails">
        <link:definition>9955524 - Disclosure - INVENTORIES, NET - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESScheduleofAccruedExpensesDetails" roleURI="http://brilliantearth.com/role/ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESScheduleofAccruedExpensesDetails">
        <link:definition>9955525 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Schedule of Accrued Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESScheduleofAccruedExpensesandOtherCurrentLiabilitiesProvisionforSalesReturnsDetails" roleURI="http://brilliantearth.com/role/ACCRUEDEXPENSESANDOTHERCURRENTLIABILITIESScheduleofAccruedExpensesandOtherCurrentLiabilitiesProvisionforSalesReturnsDetails">
        <link:definition>9955526 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Schedule of Accrued Expenses and Other Current Liabilities Provision for Sales Returns (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESScheduleofAdditionalLeaseInformationDetails" roleURI="http://brilliantearth.com/role/LEASESScheduleofAdditionalLeaseInformationDetails">
        <link:definition>9955527 - Disclosure - LEASES - Schedule of Additional Lease Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASESNarrativeDetails" roleURI="http://brilliantearth.com/role/LEASESNarrativeDetails">
        <link:definition>9955528 - Disclosure - LEASES - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONScheduleofNonvestedShareActivityDetails" roleURI="http://brilliantearth.com/role/EQUITYBASEDCOMPENSATIONScheduleofNonvestedShareActivityDetails">
        <link:definition>9955529 - Disclosure - EQUITY-BASED COMPENSATION - Schedule of Nonvested Share Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EQUITYBASEDCOMPENSATIONNarrativeDetails" roleURI="http://brilliantearth.com/role/EQUITYBASEDCOMPENSATIONNarrativeDetails">
        <link:definition>9955530 - Disclosure - EQUITY-BASED COMPENSATION - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXESANDTAXRECEIVABLEAGREEMENTDetails" roleURI="http://brilliantearth.com/role/INCOMETAXESANDTAXRECEIVABLEAGREEMENTDetails">
        <link:definition>9955531 - Disclosure - INCOME TAXES AND TAX RECEIVABLE AGREEMENT (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="brlt_CommonClassDMember" abstract="true" name="CommonClassDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="brlt_NoncontrollingInterestUnitsOutstanding" abstract="false" name="NoncontrollingInterestUnitsOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="brlt_LimitedLiabilityCompanyLLCMembersEquityTaxDistributionsToMembers" abstract="false" name="LimitedLiabilityCompanyLLCMembersEquityTaxDistributionsToMembers" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_NoncontrollingInterestIncreaseDecreaseFromRebalancing" abstract="false" name="NoncontrollingInterestIncreaseDecreaseFromRebalancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_PaymentsOfDistributionsAndTRAPaymentsToAffiliates" abstract="false" name="PaymentsOfDistributionsAndTRAPaymentsToAffiliates" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_DeferredTaxAssetsAssociatedWithRedemptionOfUnits" abstract="false" name="DeferredTaxAssetsAssociatedWithRedemptionOfUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_TaxReceivableAgreementObligationAssociatedWithRedemptionOfUnits" abstract="false" name="TaxReceivableAgreementObligationAssociatedWithRedemptionOfUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_BrilliantEarthLLCMember" abstract="true" name="BrilliantEarthLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="brlt_LLCUnitsExchangeableForCommonStockMember" abstract="true" name="LLCUnitsExchangeableForCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="brlt_UnvestedLLCUnitsMember" abstract="true" name="UnvestedLLCUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="brlt_LooseDiamondsMember" abstract="true" name="LooseDiamondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="brlt_FineJewelryAndOtherMember" abstract="true" name="FineJewelryAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="brlt_InventoryValuationReservesRollForward" abstract="true" name="InventoryValuationReservesRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="brlt_InventoryConsignedInventory" abstract="false" name="InventoryConsignedInventory" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_AccruedVendorExpensesCurrent" abstract="false" name="AccruedVendorExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_CurrentPortionOfTRA" abstract="false" name="CurrentPortionOfTRA" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_ContractWithCustomerRefundLiabilityRollForward" abstract="true" name="ContractWithCustomerRefundLiabilityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="brlt_ContractWithCustomerRefundLiabilityProvision" abstract="false" name="ContractWithCustomerRefundLiabilityProvision" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_ContractWithCustomerRefundLiabilityReturnsAndAllowances" abstract="false" name="ContractWithCustomerRefundLiabilityReturnsAndAllowances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="brlt_NoncontrollingInterestTaxBenefitDistributionsToNoncontrollingInterestHoldersPercent" abstract="false" name="NoncontrollingInterestTaxBenefitDistributionsToNoncontrollingInterestHoldersPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
