Tiffany & Co. - an Elsa Peretti diamond-set teardrop pendant, pavé-set with round brilliant diamonds, of graduated sizes, with an estimated total carat weight of 0.75ct, in an 18ct yellow gold mount, 2.2 cm drop, to a trace chain with maker's marks and import marks for 18ct gold, measuring 48.0 cm long; 5.0 grams