This is an authentic TIFFANY 18K Yellow Gold Diamond Signature X Ring 50 5.25. This elegant ring is crafted of 18 karat yellow gold with a X and diamonds weighing approximately .13 total carat weight. This timeless piece will bring a special style to any look, from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.