Item #: 696070 This is an authentic TIFFANY Platinum 18K White Gold Diamond Star Key Pendant Necklace. This necklace is crafted of platinum and features diamonds in a starburst shape in skeleton key motif, approximately .30 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.