Pink gold 750 thousandths brooch with a radiating, openwork and filigree motif, presenting in its center on silver a marquise-shaped opal cabochon, in a surround of forty-two rose-cut diamonds, pump clasp. French work, 1950's, central element 19th century. Height 5.4 cm - Width: 5.5 cm Gross weight: 13.1 g