This is an authentic TIFFANY 18K White Gold Diamond T Line Signature Ring size 53 or 6.25. The flexible ring is crafted of 18 karat white gold and features a T motif and rose cut diamonds alternating between princess cut diamonds, approximately 2.45 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.