Item #: 1273226 This is an authentic TIFFANY Platinum Diamond .28ct Solitaire Engagement Ring 49 or 5. The ring is crafted of platinum and features a single round brilliant cut diamond, approximately .28 carat, with F color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.