Item #: 1188930 This is an authentic TIFFANY 18K Rose Gold Diamond Micro Oval Signet Ring 57 8. The ring is crafted of 18 karat rose gold and features a tapered band engraved with the "T&Co" logo. The band also features a solitaire round brilliant cut diamond weighing approximately .01 carat. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.