Item #: 1502298 This is an authentic TIFFANY Platinum Diamond .64ct Solitaire Engagement Ring 48 or 4.5. The ring is crafted of platinum and features a round brilliant cut diamond weighing approximately .64 total carat weight, with I color and VS2 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.