Item #: 1767522 This is an authentic TIFFANY Platinum Diamond .27ct Solitaire Square Cut Engagement Ring 46 3.75. The ring is crafted of platinum and features a single square cut diamond, approximately .27 carat, with F color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.