This is an authentic TIFFANY 18K White Gold Diamond Mini Heart Key Charm Pendant Necklace. This stylish necklace is collar length and is crafted of 18 karat white gold and features a white gold heart shaped key pendant lined in pave diamonds. This is a stylish necklace with the unforgettable look from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.