Brand: Tiffany & Co. Condition: A Size: 40.5 cm (15.94 in) Material: RG Rose Gold Comment Tiffany & Co. (Material) 750RG (Length) 40.5 cm (Top) Maximum Height 10.5 mm (0.41 in) x Maximum Width 11.0 mm 3.0 g Tiffany & Co. Open Heart Necklace is now in stock. Tiffany & Co. Co's famous designer "Elsa Peretti"'s representative collection "Open Heart" comes in a smaller size. So it's a design that can be worn casually or for everyday use!