Brand: Tiffany & Co. Name: Tiffany & Co. Open Heart Ring Common name: Open Heart Material: Platinum 950 Item rank: Used item A Category: Ladies Size: Issue 9.0 Actual size: Maximum width: 8.6 mm (0.34 in) Stone used: Diamond Weight: 5.9 g Accessories: (no accessories) Detailed Polished. The No cara. • 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.