Item #: 912225 This is an authentic TIFFANY Platinum Diamond .81ct Solitaire Engagement Ring size 46 or 3.75. The ring is crafted of platinum and features a single round brilliant cut diamond weighing approximately .81 total carat weight, with H color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.