This is an authentic TIFFANY 18K White Gold Diamond Narrow 1837 Ring 48 4.5. The ring is crafted of 18 karat white gold and features a narrow concave band engraved with "T & Co 1837" and set with two diamonds, approximately .03 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.