Lot 246. An Art Deco emerald and diamond brooch-pendant, circa 1925. Estimate £5,000 - £8,000($9,855 - $15,768). Price Realized £11,400 ($22,469).Photo Christie's Image Ltd 2006

The central cabochon emerald drop within the vari-cut diamond openwork surround with emerald and diamond drop detail, millegrain setting, circa 1925, 8.5 cm. high. 

Christie's. IMPORTANT JEWELLERY, 6 December 2006, London, King Street