Jewelry Trends Sterling Silver Lab Created Blue Opal with CZ Statement Cocktail Ring Whole Sizes 5-10 .925 Sterling Silver; High polish finish Approximate stone measurements: 6.2 mm wide x 7.8 mm long, 1.3 mm, 5.1 mm wide x 6.6 mm long, 4.4 mm Ring setting dimensions: 20.9 mm wide x 9.2 mm long Band dimensions: 3.8 mm wide Complimentary gift box included