Year: 2012 This is an authentic TIFFANY Platinum Diamond 1.04ct Princess Solitaire Engagement Ring 52 6. The ring is crafted of platinum and features a single princess cut diamond weighing approximately 1.05 carat, with F color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.