Item #: 1361437 This is an authentic TIFFANY 18K Rose Gold Diamond Wide Atlas Open Ring 48 4.5. The ring is crafted of 18 karat rose gold and features a Roman numeral motif band with diamond details along the edges weighing approximately .50 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.