Item #: 758697 This is an authentic TIFFANY Platinum Diamond Blue Sapphire Elongated Cushion Cut Ring 53 6.5. This ring is crafted of platinum and features a large elongated cushion cut blue sapphire framed by two rows of round brilliant cut diamonds, approximately .63 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.