Item #: 686645 This is an authentic TIFFANY 18K Rose Gold Diamond Mini Vintage Oval Key Pendant Necklace. This stylish necklace is composed of an 18 karat rose gold chain that holds a key shaped pendant with an oval grip and is pave set with .14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.