This is an authentic TIFFANY Platinum Diamond 1.34ct Solitaire Engagement Ring 66 11.5. The ring is crafted of platinum and features a knife edge band holding a six-prong set round brilliant cut diamond, approximately 1.34 carat, with I color and VS1 clarity. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.