An exquisite art deco emerald and diamond brooch. Photo Christie's Image Ltd 2002

Designed as an old mine-cut diamond dome of Indian motif, enhanced by emerald beads, each with a diamond collet, to the central rectangular-cut emerald, suspending a fringe of baguette and collet diamonds and drop-shaped emerald pendant (accompanied by its original drawing), 1929, in a Cartier red leather case By Cartier. Price Realized CHF107,550 

Christie's. MAGNIFICENT JEWELS. 21 November 2002. Geneva - www.christies.com