Item #: 1338702 This is an authentic TIFFANY 18K Rose Gold Diamond Crown Key Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a long chain holding a crown key pendant pave-set with round brilliant cut diamonds weighing approximately .11 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.