1000 Jewels Olivia 3: 6.56ct created Sapphire n Russian IOF CZ 3 pc Wedding Ring Set Silver, 3131-3132A Features a 6mm, 1.30 carat, Square, Princess-cut Russian Ice on Fire CZ Solitaire. Glamour, style, class, beauty, elegance and pure sophistication: there are just too many adjectives that apply! Made with solid 925 Sterling Silver. Set weighs approx. 16.3 grams.