Certifications
What you're buying, in writing.
925 Sterling Silver
Every SIJI piece is made in genuine 925 sterling silver (92.5% pure silver) and is stamped "925".
Lab-Grown Diamonds: IGI Certified
Lab-grown diamonds are real diamonds. They have the same chemical, physical and optical properties as mined diamonds. SIJI lab-grown diamond pieces come with an IGI (International Gemological Institute) certificate that lists the carat weight, colour and clarity.
Premium Moissanite: GRA Certified
SIJI moissanite pieces come with a GRA certificate confirming the stone's authenticity and specifications.
SIJI Certificate of Authenticity
Every order includes a SIJI authenticity card showing the metal, stone type, carat weight and SKU of your piece.
Stone grades
Colour and clarity grades on our product pages (for example E colour, VVS2 clarity) apply to the lab-grown diamond option unless stated otherwise.
Questions about a certificate? Email sijijewellery@gmail.com with your order number.