Item #: 1202364 This is an authentic TIFFANY 18K Yellow Gold Diamond 3.7mm Forever Full Circle Band Ring 49 5. The ring is crafted of 18K yellow gold and features 18 round brilliant diamonds throughout the band, weighing approximately 2.86 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.