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 crown key motif pendant accented with round brilliant cut diamonds, approximately .11 total carat weight. PLEASE NOTE: One diamond has been replaced and re-set by a third party vendor. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.