This is an authentic TIFFANY Sterling Silver Blue Sapphire Enchant Heart Key Pendant Necklace. The necklace is crafted of sterling silver and features a heart shape key with a filigree detail inside the heart. The center of the heart is accented with a single blue sapphire stone. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.