A VINTAGE FRENCH DIAMOND BROOCH, MONTURE CARTIER, CIRCA 1935 in platinum and 18ct white gold, set with a central pear shaped old cut diamond of 1.13 carats, accented by a trio of principal old cut diamonds of 0.91, 0.77 and 0.72 carats, set throughout with further old cut diamonds, the diamonds all totalling 9.50-10.0 carats, signed Monture Cartier and numbered, French maker's marks, French assay marks,