To provide you with the highest level of security and confidence, all our jewelry is accompanied by two guarantees: 

– The diamond certificate, issued by the independent institute GIA, describes all the important characteristics of the diamond (see details under “Our Diamonds” – “Certificate”).

– Rings, earrings, pendants are accompanied by a warranty certificate with a brief description: gold content (750/000), weight in grams, type of alloy (white gold-palladium alloy), issued by ONE Solitaire by Ranzi.