An enamel, diamond and pearl necklace, by Giuliano

An enamel, diamond and pearl necklace, by Giuliano
Composed of three swags of black and white enamel spiral links with pearl spacers, to the openwork enamelled cartouche centre with old brilliant-cut diamond accents suspending a triple pearl drop, to an S-shaped clasp, circa 1900, 40.0cm long, in original blue fitted leather case embossed C & A.Giuliano, 115 Piccadilly, London
Maker's mark C&AG for Carlo and Arthur Giuliano