Item #: 135252 This is an authentic TIFFANY & CO 18K Yellow Gold Diamond Crown Key Pendant. This stylish piece consists of a 18-karat rose gold key-shaped pendant set with brilliant pave diamonds. Indulge in this lovely necklace with the timeless style of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.