Jewellery, Watches and Objects of Vertu

An enamel serpent brooch, circa 1970, realistically modelled, the coiled serpent with green, white and black enamel decoration, to a pavé-set single-cut diamond head with marquise-shaped ruby eyes, stamped ‘18k 750’, Italian assay mark, total diamond weight approximately 0.65 carat, length 5cm. £1,200-£1,500