Item #: 1769898 This is an authentic TIFFANY 18K Rose Gold Diamond Bow Ring 49 5. The ring is crafted of 18 karat rose gold and features an open bow motif with a diamond accented center weighing approximately .05 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.