A diamond and gem-set pendant necklace, by Boucheron
Designed as a dragonfly, the wings formed of foil-backed rock crystal with brilliant-cut diamond highlights, the body set with marquise-shaped ruby cabochons, the antennae set with brilliant-cut diamonds, to a fancy-link backchain, diamonds approx. 1.25cts total, signed Boucheron, numbered, maker's mark, French assay marks, length 42.5cm