1141 Bar brooch with opal and diamonds Germany 1980s. Yellow and white gold 14k. Smooth bar, centrally set with a white opal cabochon weighing 2,10 carats, flanked by two swiss-cut diamonds weighing in total 0,04 carats SI, wesselton. Hallmark and manufacturer's mark «JB», not interpreted. L 5,9 cm. 2,8 g.