DIAMOND, ONYX, ENAMEL AND JADE BROOCH, BOUCHERON, CIRCA 1925

Of oval openwork design with floral motifs, millegrain-set with brilliant- and single-cut diamonds, onyx, cabochon and fancy-cut jade and applied with black enamel, signed Bouheron, French assay marks.

Cf.: Melissa Gabardi, Art Deco Jewellery 1920-1949, England, 1989, pg. 71, plate 1 for a similar example of a brooch by Boucheron.