Item #: 1869346 This is an authentic TIFFANY Platinum 18K Yellow Gold Diamond Schlumberger Sixteen Stone Ring 54 7. The ring is crafted of 18 karat yellow gold and platinum and features sixteen round brilliant cut diamonds weighing approximately 1.29 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.