A pair of emerald, diamond and onyx ear pendants, by Fred Leighton. Photo Christie's Image Ltd 2010

Of modern manufacture in the 'Art Deco' style, each mounted with a detachable drop composed of an emerald bead with onyx, carved emerald, faceted diamond and diamond-set openwork rondelles to the pavé-set diamond and Calibré-cut emeralds of foliate design, 8cm long. One ear pendant signed FL for Fred Leighton (2). Estimate $20,000 - $30,000. Price Realized $25,000

Christie's. JEWELS AND WATCHES: THE DUBAI SALE. 28 April 2010. Jumeirah Emirates Towers Hotel. www.christies.com