GEORGES MAUBOUSSIN. Barrette brooch in 850 thousandth platinum and 750 thousandth yellow gold, centered on a probably fine button pearl (untested), in a surround of sixty-three old and 8/8 brilliant-cut diamonds, with openwork geometrical silhouette, secure clasp. Hallmark of master goldsmith GM buisson. Early 20th century. Estimated total diamond weight: 1.20 ct Pearl diameter: approx. 8.3 mm Height 0.8 cm - Width: 9 cm Gross weight : 8,5 g Accompanied by its case signed "B. NOURY MAUBOUSSIN Sc 3 Rue de Choiseul PARIS".