An emerald and diamond necklace and earring suite. Photo Philips de Pury & Co The necklace designed as a series of graduating undulating pavé-set diamond spirals, each spiral set to the centre with a circular-cut emerald, to similarly set diamond scrolling...

Impressive Emerald and diamond ring, Van Cleef & Arpels. photo courtesy Sotheby's The octagonal emerald set within a frame of brilliant-cut diamonds, mounted in platinum, size 52, signed Van Cleef & Arpels and numbered, French maker's marks, pochette....

An emerald and diamond brooch/pendant © 2002-2009 Bonhams 1793 Ltd The central cushion-shaped emerald, weighing 18.85 carats, within a border of brilliant-cut diamonds, suspended from a marquise-cut diamond three-stone surmount, on a fancy-link chain...