Item details Item Rank A Rank Material: Sterling Silver 925 Weight: 4.64 g Size: 11.5 International size: 51 US size: 6 Maximum width: 3.4 mm (0.13 in)Tiffany & Co. box Item details 1837 Interlocking Circle Ring Two interlocking ringed with 1837, the year Tiffany & Co. Was founded. Polished. Item Rank N: or , with no defects and in very clean condition S: Almost without defects and in good condition A: Condition with little signs of use B: Items with signs of use C: Items with very strong signs of use, items with obvious stains and damage, items in need of repair • Ring size listed will usually be international sizing, not US, unless otherwise stated. You accept this description upon purchase. Please use the Ring Size Chart.