Item #: 145523 This is an authentic TIFFANY & CO 18K Rose Gold Diamond Crown Key Pendant Necklace. This stylish piece consists of a 18 karat rose gold 36mm key-shaped pendant set with .23 ct 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.