<h1>Certification standards ensure consumer transparency and ethically sourced diamonds with mandatory quality checks and warranty protections.</h1> The release asserts quality-control and traceability mechanisms for the NUWA natural diamond collection: a two-way certification process for diamonds above 0.30 ct, 28-point quality checks for certified diamonds, and 100% HUID compliance to ensure authenticity. Consumer protections promoted include one year complimentary insurance, lifetime free maintenance, transparent pricing with detailed cost breakdowns, and 100% exchange value for old gold and diamonds. The brand also claims ethically sourced materials through verified authorised channels and international certifications.