Item #: 1389469 This is an authentic TIFFANY 18K Yellow Gold Diamond T Wire Ring 54 7. This classic ring is crafted of 18 karat yellow gold with two horizontal T's set with round cut diamonds weighing approximately .13 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.