A gem-set and diamond butterfly brooch, French. Photo Bonhams.
with cat's eye black hard stone body, extending calibré-cut sapphires, peridot, citrine and onyx wings, enhanced by vari-cut diamond detail; with French assay mark; length: 3in. Sold for US$ 27,500 (€19,923)
Bonhams. FINE JEWELLERY. New York, 9 Apr 2014 - www.bonhams.com