A ruby, emerald, opal and diamond butterfly brooch. Photo Bonhams.
The pierced wings set throughout with rose, old brilliant-cut and cushion-shaped diamonds, with oval-cut ruby and emerald accents, the body collet-set with a cushion-shaped emerald and an oval cabochon opal, old brilliant and cushion-shaped diamonds approx. 0.65ct total, detachable brooch fitting, length 4.1cm. Estimate £2,000 – 3,000 (€2,500 – 3,800)