An antique rose-cut emerald and diamond brooch, circa 1860

An antique rose-cut emerald and diamond brooch, circa 1860

The rose-cut emerald within an old-cut diamond tiered surround with diamond collet quarter detail suspending a briolette-cut emerald drop,, 7.7 cm long. Estimate £10,000 - £15,000 ($16,160 - $24,240) - Price Realized £30,000 ($48,480)

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