Brand: Tiffany & Co. Name: Tiffany & Co. Classic Solitaire Ring 0.45CT Common name: Classic solitaire Material: Platinum 950 Item rank: Used item A Category: Ladies Size: Issue 11.0 Actual size: Maximum width: 5.8 mm (0.23 in) Arm maximum width: 2.3 mm (0.09 in) Stone used: Diamond 0.45CT Weight: 3.9 g Accessories: (no accessories) Detailed Polished. • 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.