Item #: 1223473 This is an authentic TIFFANY 18K Yellow Gold Narrow 1837 Ring size 58 or 8.5. The ring is crafted of 18 karat yellow gold and features the classic "1837" engravings across the concave band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.