Item #: 1311848 This is an authentic TIFFANY Platinum Diamond .21ct Solitaire Engagement Ring 45 3.25. The ring is crafted of platinum and features a single prong-set round brilliant-cut diamond, approximately .18 carat, with G color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.