Item #: 1676387 This is an authentic TIFFANY 18K White Gold Diamond Crown Key Pendant Necklace. The necklace is crafted of 18 karat white gold and features a motif key set with pave diamonds weighing approximately .30 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.