Item #: 701668 This is an authentic TIFFANY Platinum Diamond .83ct Solitaire Engagement Ring 45 3.5. The ring is crafted of platinum and features a single round brilliant cut diamond weighing approximately .83 carats, with E color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.