Item #: 1051327 This is an authentic TIFFANY Platinum Diamond .22ct Solitaire Engagement Ring size 50 or 5.5. The ring is crafted of platinum and features a single round brilliant cut diamond, approximately .22 carat with F color and VS2 clarity grade. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.