Item #: 1775833 This is an authentic TIFFANY Platinum Diamond .21ct Solitaire Engagement Ring size 42 or 2.5. This ring is crafted of platinum and features a knife edge band and a six prong set solitaire round brilliant cut diamond, approximately .21 carat, with H color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.