Item #: 401675 This is an authentic TIFFANY Platinum Diamond .40ctw Eternity Band Ring 48 4.5. This platinum band features a full circle of brilliant round diamonds weighing approximately .40 total carat weight. Enjoy this classic wedding band, from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.