Item #: 564801 This is an authentic TIFFANY 18K Rose Gold Knot Key Pendant Necklace. This is an elegant necklace that is crafted of 18 karat rose gold, and features a 18 karat rose gold knot key pendant for a one of a kind look from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.