Item #: 1501148 This is an authentic TIFFANY 18K Yellow Gold Diamond Crown Key Pendant. The pendant is crafted of 18 karat yellow gold and features a crown key motif pave-set with round brilliant cut diamonds weighing approximately .06 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.