Sapphire and Diamond Brooch

Rare antique French brooch, set with three natural unheated sapphires, rose cutRose Cut is one of the earliest styles of diamond cutting and was widely used in Georgian and early Victorian jewellery. The cut takes its name from its resemblance to... More diamonds and calibréCalibré cut refers to a gemstone-cutting technique in which stones are specially shaped and cut to fit closely together within a particular jewellery setting. Unlike standard gemstone shapes, calibré-cut stones... More sapphires. Paris circa 1910. 4.2cm long.