Item #: 1464557 This is an authentic TIFFANY 18K Yellow Gold 1837 Band Ring size 53 or 6.5. The ring is crafted of 18 karat yellow gold and has the classic "T & CO 1837" logo engraved across the concave band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.