This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond Schlumberger Sixteen Stone Ring 50 5.5. The ring is crafted of platinum and features 18 karat yellow gold X motifs alternating between sixteen round brilliant cut diamonds, approximately 1.14 total carat weight. This is a stunning ring with the iconic style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.