Item #: 1179130 This is an authentic TIFFANY Platinum Diamond .19ct Solitaire Engagement Ring 49 5. The ring is crafted of platinum and features a single round brilliant cut diamond weighing approximately .19 total carat weight, with D color and VVS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.