Item #: 425989 This is an authentic TIFFANY Platinum Diamond .38ct Engagement Ring 49 5. The ring is crafted of polished platinum and features a knife edge band with a six prong set round brilliant cut diamond, approximately .38 carat weight. This is a stunning ring with timeless elegance, only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.