This is an authentic TIFFANY Platinum Diamond Aquamarine 1.00ct Legacy Ring 52 6. The ring is crafted of platinum and features a cushion cut aquamarine stone, approximately 1.00 carat, and round brilliant cut diamonds weighing approximately .20 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.