Brooch in 18 kt yellow and white gold

centered with a 25.97 ct cabochon emerald, and rows of brilliant-cut diamonds arranged to form ornamental vegetal motifs, with 4 oval cabochon emeralds totaling 1.60 ct, 4 oval cabochon rubies totaling 1.76 ct, 24 round composite-cut sapphires totaling 2.88 ct, and 80 round brilliant-cut diamonds totaling 5.20 ct. Diameter 6 cm, total weight 55.70 g.
1960s/1970s.