A gold, chalcedony and diamond pendant, circa 1975, and a gold and gem-set brooch, circa 1984

A gold, chalcedony and diamond pendant, circa 1975, and a gold and gem-set brooch, circa 1984, comprising: a pendant depicting a woman in profile in engraved gold, to a ground of dyed blue chalcedony, within a gold border, length 6.8cm, British hallmark for 9ct gold; and a brooch of giardinetto design, set with clusters of emeralds, rubies and cultured pearls, measuring 4.1 x 4.0cm, British import hallmark for 18ct gold