Item #: 1177867 This is an authentic TIFFANY Platinum Diamond .17ctw 2mm Half Circle Wedding Band Ring 50 5.5. The ring is crafted of platinum and features a half band of round brilliant cut diamonds weighing approximately .17 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.