Item #: 1337882 This is an authentic TIFFANY 18K Rose Gold Platinum Diamond Schlumberger Lynn Ring 49 4.75. The ring is crafted of platinum and 18 karat rose gold, and features an 'X' motif framed by four round brilliant cut diamonds weighing approximately .32 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.