Item #: 1635360 This is an authentic TIFFANY Platinum Diamond 3.5mm Forever Half Circle Band Ring 50 5.25. The ring is crafted of platinum and features a half band of round brilliant cut diamonds weighing approximately 0.91 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.