Item #: 670456 This is an authentic TIFFANY Platinum Diamond Schlumberger Sixteen Stone Ring size 54 or 6.75. The ring is crafted of platinum and features crossover X motifs between sixteen sparkling round brilliant cut diamonds, approximately 1.12 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.