An antique diamond dragonfly brooch, circa 1900

The head and body set with a series of graduated old and rose-cut diamonds to the extending diamond-set wings with collet accents, mounted in platinum and gold, brooch fitting detachable, 8.0 cm wide, with French import marks. Estimate £12,000 - £15,000 ($19,392 - $24,240) - Price Realized £15,000 ($24,240)

Christie's. Jewellery. 10 June 2009. London, King Street www.christies.com