Sapphire and diamond suite, Tiffany & Co. By Oscar Heyman & Brothers, designed as a flexible collar of flowerhead motifs each claw set with calibre cut sapphires and round brilliant cut diamonds, between yellow sapphire and diamond set cluster links, and a pair of earrings en suite, with clip fittings, mounted in platinum, signed Tiffany & Co., with maker's mark for Oscar Heyman & Brothers, serial numbers 601374-750 and 70552 respectively, length approximately 345 mm, earrings length approximately 20 mm.