Diamond, emerald and ruby brooch/pendant, circa 1890 designed as a beetle, the shoulders mounted with a collet claw-set old miner-cut diamond weighing approximately 1,85 carats flanked by two collet claw-set old-cut brown diamonds weighing approximately 1.50 carats, the body embellished with alternating rows of cushion-cut emeralds and old- and rose-cut diamonds, the eyes set with cabochon rubies,  length approximately 5.5cm, suspension loop fitting, later brooch pin fitting