18ct gold, coloured diamond, diamond and gem-set brooch, modelled as a peacock resting on a 14.85 mm South Sea cultured pearl, the eyes accented with a circular-cut ruby, the neck and saddle pave set with brilliant-cut diamonds of yellow hue, the breast similarly set with near colourless diamonds, the feathers embellished with a white opal further decorated with collet-set circular-cut emeralds between near colourless diamonds, the opal, emeralds and diamonds together weighing approximately 10.50 carats, 2.80 carats and 3.90 carats respectively, gross weight approximately 97.50 grams, approximately 117 x 52 mm