Item #: 648677 This is an authentic TIFFANY Platinum Diamond 1.76ctw Cobblestone Ring size 56 or 7.5. The ring is crafted of platinum and features an eternity band set with round brilliant cut and rose cut diamonds, approximately 1.76 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.