Item #: 1245242 This is an authentic TIFFANY 18K Yellow Gold Diamond Modern Keys Open Square Key Pendant. The pendant is crafted of 18 karat yellow gold and features a square skeleton key with round cut diamond accents around the square weighing approximately .04 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.