Item #: 1413326 This is an authentic TIFFANY 18K White Gold Diamond Modern Keys Open Square Key Pendant Necklace. The necklace is crafted of 18 karat white gold and features a square skeleton key with round cut diamond accents weighing approximately .06 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.