StarGems(tm) Natural Chrysocolla Unique Design 925 Sterling Silver Ring US Size 7 100% Solid Sterling Silver with 925 stamp, Total Weight(grams): 6g Guaranteed authentic gemstone(s), Main stone size: 10x17 mm Exclusive craftsmanship and styling, actual item pictured Free Anti-Tarnish Silver Polishing Cloth ships from Hongkong via USPS First-Class Package International Service with Tracking Number