Brooch in 18k yellow gold and 800 thousandths platinum with fifty-six old or rose brilliant-cut diamonds, the two main ones of about 0.90 ct each, brooch pricked in its center of a probably fine pearl, the pin with pump clasp (lacks the pump, slight oxidation). French work around 1910. Diameter of the pearl : 7,8 mm - Height : 2 cm 2 cm - Width : 5,6 cm - Gross weight : 12,2 g