Superb enamel & gem-set Cicada brooch, by Boucheron. The wings of green and blue plique-á-jour enamel with calibré-cut sapphire detail to the old-cut diamond set body and eyes of chrysoberyl cats-eye, mounted in silver and gold, circa
An enchantingly beautiful and resplendent original Art Nouveau dragonfly brooch, circa Her wings shimmer and glow in translucent, subtly shaded plique-a-jour enamel which transitions from yellowish-green to aqua-blue, and sparkles with old-mine and
Platinum, Opal, and Diamond Brooch. Designed as an insect with the wings en tremblant, with two cabochon opals accented by baguettes and old European single-cut and pear-shaped diamonds weighing approximately carats.