A FRENCH ART DECO DIAMOND BROOCH

in platinum, set to the centre with an old European-cut diamond of c.0.80 carats to further round -cut, bullet-cut and baguette-cut diamonds over an geometric openwork design, all totalling c.5.50 carats, secured with an 18ct white gold pin and barrel clasp, maker's mark 'CP', French assay marks, 6.5cm, (c.18.4g)