Item #: 803765 This is an authentic TIFFANY 18K Yellow Gold 1837 Interlocking Circles Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features two rings engraved with the signature '1837 T&Co' logo. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.