Item #: 1188047 This is an authentic TIFFANY Platinum Diamond Schlumberger Sixteen Stone Ring 50 5.5. The ring is crafted of platinum and features an X motif alternating between 16 round brilliant cut diamonds weighing approximately 1.14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.