StarGems tm Sterling Silver Natural Chrysoprase (Unique Design Vintage style) Ring, US Size 8.5 100% Solid Sterling Silver with 925 stamp, Total Weight(grams): 13.5g Guaranteed authentic gemstone(s), Exclusive craftsmanship and styling, actual item pictured, Main stone size: 17.5 X 18mm 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