Item #: 188926 This is an authentic TIFFANY & CO 18K White Gold Diamond Narrow 1837 Ring 6. This stylish 4mm ring is crafted of 18k white gold with two single brilliant diamonds and Tiffany and Co etched in between. This is a spectacular ring for a distinctive look, from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.