Item #: 764743 This is an authentic TIFFANY Platinum Diamond Schlumberger Sixteen Stone Ring 54 6.75. This gorgeous ring is crafted of platinum and features X's that alternate with diamonds. The band's sixteen round brilliant cut diamonds weigh approximately 1.14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.