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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019edb0e-b8d0-7ea3-a1af-f3fb098b0c2a,g:1d6442dd-87ad-473e-863d-7109dcb2f3c3-->
<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" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.iginsure.com/role/INTERIMCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITYUnaudited" xlink:type="simple" xlink:href="igic-20260630.xsd#INTERIMCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITYUnaudited"/>
  <link:definitionLink xlink:role="http://www.iginsure.com/role/INTERIMCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITYUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019edb0e-b8d0-79db-b76b-97fe320e4a7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019edb0e-b8d0-762d-bf60-490adea46274" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019edb0e-b8d0-79db-b76b-97fe320e4a7e" xlink:to="loc_us-gaap_StatementTable_019edb0e-b8d0-762d-bf60-490adea46274" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019edb0e-b8d0-772e-9000-280a71afa59a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019edb0e-b8d0-762d-bf60-490adea46274" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019edb0e-b8d0-772e-9000-280a71afa59a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-772e-9000-280a71afa59a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019edb0e-b8d0-772e-9000-280a71afa59a" xlink:to="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-772e-9000-280a71afa59a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019edb0e-b8d0-772e-9000-280a71afa59a" xlink:to="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019edb0e-b8d0-77c7-9c52-5930096d0585" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:to="loc_us-gaap_CommonStockMember_019edb0e-b8d0-77c7-9c52-5930096d0585" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019edb0e-b8d0-7da9-8c10-795e42ad8633" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019edb0e-b8d0-7da9-8c10-795e42ad8633" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019edb0e-b8d0-749e-a904-f8f23c50fca8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019edb0e-b8d0-749e-a904-f8f23c50fca8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019edb0e-b8d0-7f92-872f-03cd41689ac5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019edb0e-b8d0-7f92-872f-03cd41689ac5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019edb0e-b8d0-758a-ace9-83c877e8d15f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019edb0e-b8d0-7bff-b832-14736e70d282" xlink:to="loc_us-gaap_RetainedEarningsMember_019edb0e-b8d0-758a-ace9-83c877e8d15f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019edb0e-b8d0-79db-b76b-97fe320e4a7e" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019edb0e-b8d0-74e5-a48d-e6b69804cc88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_StockholdersEquity_019edb0e-b8d0-74e5-a48d-e6b69804cc88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019edb0e-b8d0-74c5-bcbf-699cadc84f86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_NetIncomeLoss_019edb0e-b8d0-74c5-bcbf-699cadc84f86" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019edb0e-b8d0-7f48-b89f-c11f195e0ada" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019edb0e-b8d0-7f48-b89f-c11f195e0ada" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019edb0e-b8d0-7ad0-a610-80c3b392a7ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_019edb0e-b8d0-7ad0-a610-80c3b392a7ff" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019edb0e-b8d0-7009-9a40-0479c005a6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019edb0e-b8d0-7009-9a40-0479c005a6b6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019edb0e-b8d0-7f64-8b31-3d0dfae3c88e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_019edb0e-b8d0-7f64-8b31-3d0dfae3c88e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_019edb0e-b8d0-7127-9cb9-7dd6ab9fea6c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_TreasuryStockRetiredCostMethodAmount_019edb0e-b8d0-7127-9cb9-7dd6ab9fea6c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_019edb0e-b8d0-734d-8311-983ef4191901" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ff114-eb04-77b9-9e63-b3ccc04e861f" xlink:to="loc_us-gaap_DividendsCommonStockCash_019edb0e-b8d0-734d-8311-983ef4191901" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019edb0e-b8d0-7306-847f-03d5f54a942f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iginsure.com/role/RESERVEFORUNPAIDLOSSANDLOSSADJUSTMENTEXPENSESNarrativeDetails" xlink:type="simple" xlink:href="igic-20260630.xsd#RESERVEFORUNPAIDLOSSANDLOSSADJUSTMENTEXPENSESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.iginsure.com/role/RESERVEFORUNPAIDLOSSANDLOSSADJUSTMENTEXPENSESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_019edb0e-b8d0-7d6e-a3c1-8c032305e4c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseTable_019edb0e-b8d0-7345-9227-a6d0b533bdcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_019edb0e-b8d0-7d6e-a3c1-8c032305e4c6" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseTable_019edb0e-b8d0-7345-9227-a6d0b533bdcb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019edb0e-b8d0-7323-b410-9931fd5cbaea" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseTable_019edb0e-b8d0-7345-9227-a6d0b533bdcb" xlink:to="loc_srt_ProductOrServiceAxis_019edb0e-b8d0-7323-b410-9931fd5cbaea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7323-b410-9931fd5cbaea_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019edb0e-b8d0-7323-b410-9931fd5cbaea" xlink:to="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7323-b410-9931fd5cbaea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7e16-85b7-1d88b0440d04" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019edb0e-b8d0-7323-b410-9931fd5cbaea" xlink:to="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7e16-85b7-1d88b0440d04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherShortdurationInsuranceProductLineMember_019edb0e-b8d0-784c-814f-a534cd90096d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherShortdurationInsuranceProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7e16-85b7-1d88b0440d04" xlink:to="loc_us-gaap_OtherShortdurationInsuranceProductLineMember_019edb0e-b8d0-784c-814f-a534cd90096d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_igic_ReinsuranceBusinessMember_019edb0e-b8d0-73dd-8007-e134916d4bcf" xlink:href="igic-20260630.xsd#igic_ReinsuranceBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7e16-85b7-1d88b0440d04" xlink:to="loc_igic_ReinsuranceBusinessMember_019edb0e-b8d0-73dd-8007-e134916d4bcf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongdurationInsuranceProductLineMember_019edb0e-b8d0-73a7-88ea-e591848be2a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLongdurationInsuranceProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019edb0e-b8d0-7e16-85b7-1d88b0440d04" xlink:to="loc_us-gaap_OtherLongdurationInsuranceProductLineMember_019edb0e-b8d0-73a7-88ea-e591848be2a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_019ef20a-ef27-725e-af6f-81ba5a27cb14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_019edb0e-b8d0-7d6e-a3c1-8c032305e4c6" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_019ef20a-ef27-725e-af6f-81ba5a27cb14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_019ef20b-b05d-7d0e-8960-7d060b634afe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_019edb0e-b8d0-7d6e-a3c1-8c032305e4c6" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_019ef20b-b05d-7d0e-8960-7d060b634afe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_019ef20c-202f-7175-a423-bf7b5baaea97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_019edb0e-b8d0-7d6e-a3c1-8c032305e4c6" xlink:to="loc_us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_019ef20c-202f-7175-a423-bf7b5baaea97" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iginsure.com/role/FAIRVALUEScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="simple" xlink:href="igic-20260630.xsd#FAIRVALUEScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.iginsure.com/role/FAIRVALUEScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f27-ae09-6c7bfddc756d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-72e1-b1d0-5ef5d29f88d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f27-ae09-6c7bfddc756d" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-72e1-b1d0-5ef5d29f88d1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019edb0e-b8d0-7457-a274-8bc984635a3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-72e1-b1d0-5ef5d29f88d1" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019edb0e-b8d0-7457-a274-8bc984635a3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7457-a274-8bc984635a3d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019edb0e-b8d0-7457-a274-8bc984635a3d" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7457-a274-8bc984635a3d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7374-9075-512fa1295233" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019edb0e-b8d0-7457-a274-8bc984635a3d" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7374-9075-512fa1295233" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019edb0e-b8d0-7485-a576-69db375bdb06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7374-9075-512fa1295233" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019edb0e-b8d0-7485-a576-69db375bdb06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019edb0e-b8d0-790d-88ef-38943fc92416" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7374-9075-512fa1295233" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019edb0e-b8d0-790d-88ef-38943fc92416" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019edb0e-b8d0-7d68-a7d9-e7b98971e598" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019edb0e-b8d0-7374-9075-512fa1295233" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019edb0e-b8d0-7d68-a7d9-e7b98971e598" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-76bb-8a16-453c2878e46d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-72e1-b1d0-5ef5d29f88d1" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-76bb-8a16-453c2878e46d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-76bb-8a16-453c2878e46d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-76bb-8a16-453c2878e46d" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-76bb-8a16-453c2878e46d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7a93-81c0-4dc88b66e55d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-76bb-8a16-453c2878e46d" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7a93-81c0-4dc88b66e55d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019edb0e-b8d0-705e-a41a-5b730b366897" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7a93-81c0-4dc88b66e55d" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019edb0e-b8d0-705e-a41a-5b730b366897" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019edb0e-b8d0-7976-a0dc-9e4b2453107c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7a93-81c0-4dc88b66e55d" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019edb0e-b8d0-7976-a0dc-9e4b2453107c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f27-ae09-6c7bfddc756d" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019edb0e-b8d0-7ddf-8e9d-a892262f2c6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019edb0e-b8d0-7ddf-8e9d-a892262f2c6d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_019edb0e-b8d0-7118-88a1-8ed058fd5b81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_019edb0e-b8d0-7118-88a1-8ed058fd5b81" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AlternativeInvestment_019ff140-3e23-7bec-9dbe-6fdd5bfff298" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AlternativeInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:to="loc_us-gaap_AlternativeInvestment_019ff140-3e23-7bec-9dbe-6fdd5bfff298" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsFairValueDisclosure_019edb0e-b8d0-75d5-8cd4-c523e59a897d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityMethodInvestmentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:to="loc_us-gaap_EquityMethodInvestmentsFairValueDisclosure_019edb0e-b8d0-75d5-8cd4-c523e59a897d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019edb0e-b8d0-74c5-8556-3ed84275ac9f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019edb0e-b8d0-7ca0-acf9-f5d1d9f167f9" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019edb0e-b8d0-74c5-8556-3ed84275ac9f" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.iginsure.com/role/FAIRVALUENarrativeDetails" xlink:type="simple" xlink:href="igic-20260630.xsd#FAIRVALUENarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.iginsure.com/role/FAIRVALUENarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f0c-a83a-262767c75171" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-740c-8b8c-a24ac7a32e64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f0c-a83a-262767c75171" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-740c-8b8c-a24ac7a32e64" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-7543-b57a-92ffe7b2c116" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019edb0e-b8d0-740c-8b8c-a24ac7a32e64" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-7543-b57a-92ffe7b2c116" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7543-b57a-92ffe7b2c116_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-7543-b57a-92ffe7b2c116" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7543-b57a-92ffe7b2c116_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7b65-b125-29a131e09fe3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019edb0e-b8d0-7543-b57a-92ffe7b2c116" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7b65-b125-29a131e09fe3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019edb0e-b8d0-78fd-8cd8-b48b89bec360" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7b65-b125-29a131e09fe3" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019edb0e-b8d0-78fd-8cd8-b48b89bec360" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019fd18b-7f06-79ec-8b31-06906ebe8aaf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019edb0e-b8d0-7b65-b125-29a131e09fe3" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019fd18b-7f06-79ec-8b31-06906ebe8aaf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_igic_FairValueDebtSecurityMeasuredOnRecurringBasisTransferFromLevel1ToLevel2_019edb0e-b8d0-70e1-80b2-b2f306e7d79d" xlink:href="igic-20260630.xsd#igic_FairValueDebtSecurityMeasuredOnRecurringBasisTransferFromLevel1ToLevel2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f0c-a83a-262767c75171" xlink:to="loc_igic_FairValueDebtSecurityMeasuredOnRecurringBasisTransferFromLevel1ToLevel2_019edb0e-b8d0-70e1-80b2-b2f306e7d79d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_igic_FairValueDebtSecurityMeasuredOnRecurringBasisTransferFromLevel2ToLevel1_019edb0e-b8d0-7b91-8e24-30a4eadaaa87" xlink:href="igic-20260630.xsd#igic_FairValueDebtSecurityMeasuredOnRecurringBasisTransferFromLevel2ToLevel1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019edb0e-b8d0-7f0c-a83a-262767c75171" xlink:to="loc_igic_FairValueDebtSecurityMeasuredOnRecurringBasisTransferFromLevel2ToLevel1_019edb0e-b8d0-7b91-8e24-30a4eadaaa87" xlink:type="arc" order="1"/>
  </link:definitionLink>
</link:linkbase>
