ESG & certifications

Sustainability

Beyond commitments lies accountability. Here are the standards we measure, the progress we report, and the independent verification behind our work.

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Measure to impact

Spreading Happiness defines the group’s purpose. Sustainability is how that purpose moves from measurement and documentation to action and meaningful impact.

The figures below distinguish reported performance from future ambition, reflecting the Group’s ESG reporting.

Elevating People

76%

Women across the global workforce · 2025

Caring for Nature

36,558

Greenhouse gas footprint in tCO2e, Scope 1, 2 and 3 · 2025

Product Ethics

100%

Of diamond purchases from RJC certified suppliers · 2025

Governance

11

Material ESG topics identified through double materiality · 2024

NIRU ESG

Niru 2025-2030 roadmap

NIRU ESG roadmap: three areas of responsibility, nine categories and 34 initiatives for 2025 to 2030 Uphold NIRU Academy TrainingExpand Empowerment TrainingGrowth & Empowerment FundFacilitate Peer-to-Peer LearningEncourage Internal PromotionPromote SportMonitor HappinessGuarantee Living WageEnsure Health & SafetyCultivate Diversity & InclusionPromote Girls' EducationEnhance Career & IndependenceEqual Representation in LeadershipIntroduce the Parenting FundSecure Meals for UnderprivilegedFinance Children's EducationStrengthen local agricultural partnershipsAmplify VolunteeringELEVATING PEOPLECONTINUOUS LEARNINGUphold NIRU Academy TrainingExpand Empowerment TrainingGrowth & Empowerment FundFacilitate Peer-to-Peer LearningEncourage Internal PromotionWELL-BEINGPromote SportMonitor HappinessGuarantee Living WageEnsure Health & SafetyCultivate Diversity & InclusionWOMEN’S EMPOWERMENTPromote Girls' EducationEnhance Career & IndependenceEqual Representation in LeadershipIntroduce the Parenting FundCOMMUNITYSecure Meals for UnderprivilegedFinance Children's EducationStrengthen local agricultural partnershipsAmplify Volunteering Reduce Scope 1 (SBTi)Reduce Scope 2 (SBTi)Reduce Scope 3 (SBTi)Raise Environmental AwarenessGenerate Surplus Green EnergyReduce Paper ConsumptionMaster Waste RecyclingRainwater HarvestingRevalue Organic WasteNature Roadmap for BiodiversityCARING FOR NATURECARBONReduce Scope 1 (SBTi)Reduce Scope 2 (SBTi)Reduce Scope 3 (SBTi)Raise Environmental AwarenessGenerate Surplus Green EnergyWASTEReduce Paper ConsumptionMaster Waste RecyclingRainwater HarvestingRevalue Organic WasteBIODIVERSITYNature Roadmap for Biodiversity Optimize Stock TraceabilityDigitalize TraceabilityEnhance RJC ProcurementRefine Diamond ProcurementSupplier Code of Conduct 2.0Engage Suppliers on ESGPRODUCT ETHICSPROVENANCE & TRACEABILITYOptimize Stock TraceabilityDigitalize TraceabilityEnhance RJC ProcurementRefine Diamond ProcurementCOLLABORATIONSupplier Code of Conduct 2.0Engage Suppliers on ESG
Elevating People 76% of the global workforce are women. Result, 2025. Open the page Caring for Nature 46% of electricity from the group's own green energy. Result, 2025. Open the page Ensuring Product Ethics 100% of diamond stock traced in the group ERP. Since 2024. Open the page

The plan · the ambition

The road to 2030

A clear roadmap, grounded in performance and accountable for what comes next.

Achieved Target, planned

2023

Achieved · base year

The baseline established

2023 marked the formal starting point of NIRU's ESG roadmap. The Group established its sustainability framework and began measuring performance across people, environmental impact and responsible sourcing, creating the baseline for its 2030 ambitions.

3,680Hours of NIRU Academy empowerment training
GHG baselineGroup emissions measured across Scopes 1, 2 and 3
100%Diamond stock with origin traceability

2024

Achieved · progress

Progress checkpoint

NIRU translated its ESG roadmap into action across the Group. Elevating communities and employees, including 52% women in management, 10,220 hours of sports activity and 6,995 volunteering hours. Environmental progress included renewable energy, waste and awareness initiatives, while Product Ethics reported full ERP traceability for diamonds and 85% RJC certified diamond procurement.

52%Women in management positions
2,377Hours of environmental awareness training
100%Diamond stock traced in ERP
85%Diamond purchases from RJC certified suppliers

2025

Achieved · advanced

Where we stand

NIRU advanced its sustainability commitments across people, climate and responsible sourcing. Learning and community programmes expanded, 67% women at C-level, science-based climate targets were validated, and responsible sourcing strengthened, including RJC Chain of Custody certification for NIRU Switzerland.

37,817Hours of NIRU Academy empowerment training
42%Scope 1 emissions reduction vs. 2023 base year
100%Diamond purchases from RJC certified suppliers and members
9,944Employee volunteering hours

2030

Aiming with purpose

Our ambition

NIRU aims to create lasting value for people and communities, reduce its environmental footprint and deepen responsible sourcing and traceability across its value chain.

50,000Hours of NIRU Academy empowerment training
50%Women in Group leadership and board positions
30,000Hours of environmental awareness training
95%Diamond purchases from RJC certified suppliers

Third-party verification

The register

The standards, initiatives and certifications the group has committed to. Each record identifies the organisation or programme, the nature of the engagement, and the scope it applies to.

United Nations Global Compact Commitment Group
World Diamond Council Member Group
RJC Chain of Custody Certified Switzerland
RJC Code of Practices Certified Sri Lanka, Thailand, Switzerland, Israel
International Colored Gemstone Association (ICA) Member Thailand
ISO 14001:2015, Environmental Management Certified Sri Lanka, Thailand
ISO 22000:2018, Food Safety Management Certified Sri Lanka
ISO 9001:2015, Quality Management Certified Thailand
Great Place to Work® Certified Sri Lanka, Thailand, Switzerland
EPI, Établissements publics pour l’intégration Initiative Switzerland
Women’s Empowerment Principles (WEPs) Signatory Group
Union Française de la Bijouterie, Joaillerie, Orfèvrerie (UFBJOP) Member France
Science Based Targets initiative (SBTi) Near-term targets approved Group
LEED, Flagship Manufacture Certified Sri Lanka
The Ocean Cleanup Initiative Group
Tree-Nation Initiative Group

Standards, initiatives and certifications

Responsible Jewellery Council
World Diamond Council
Science Based Targets initiative
International Colored Gemstone Association
UN Women's Empowerment Principles
We support the UN Global Compact
In support of the Watch & Jewellery Initiative 2030
Great Place to Work, Sri Lanka
Best Workplaces in Asia 2025
Great Place to Work, Thailand

Great Place to Work® is a registered trademark of Great Place to Work Institute, Inc.

Policies and reports

Read the record

Read the latest report online or download the full publication. The published policies of the group are available in the same place.

Download the documents

Responsible Sourcing and Supplier Management NG-RSSM-010 · PDF · 776 KB Ethical Charter NG-ECRS-002 · PDF · 168 KB Human Rights, Ethical Labour and DEI Policy NG-ELHR-002 · PDF · 513 KB ESG Progress Report 2024 PDF · 2.3 MB ESG Report 2023 PDF · 14.3 MB

Continue exploring
sustainability.

People, nature, and product ethics. Each area carries its own record.

01 A NIRU wellbeing and meditation session with the community Elevating People Learning, wellbeing, empowerment, and community. 02 Aerial view of a dense forest canopy Caring for Nature Carbon, waste, and biodiversity, measured yearly. 03 Polished pink, orange and yellow sapphires poured onto a pale working surface Ensuring Product Ethics Provenance, traceability, and collaboration.

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