18K (750) gold half-set comprising a brooch and a matching opening bracelet, adorned with onyx, decorated with half cultured pearls, rose-cut diamonds and oval cabochon green stones. French work from the second half of the 19th century. Dimensions bracelet : 3,8 x 16 cm approximately. Brooch size : 4,5 x 4,3 cm approximately. Gross weight : 67,5 g (transformation, accident, shocks, lacks, deformation)