This is an authentic TIFFANY Platinum Diamond Aquamarine 1.50ct Legacy Ring 52 6. The ring is crafted of platinum and features a cushion cut 1.50 carat aquamarine stone in a four prong setting atop a diamond half-band, approximately .15 total carat weight. PLEASE NOTE: Due to a manufacturing error, the setting is slightly off-center. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.