Item #: 235841 This is an authentic TIFFANY & CO Sterling Silver 18K Yellow Gold 1837 Interlocking Circles Ring 54 7. This stylish ring is 18 karat gold and sterling silver both bands interlock. Enjoy this ring for the unforgettable style only from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.