An emerald and diamond ring. Photo Bonhams
The cushion-shaped emerald, weighing 10.33 carats, within a border of brilliant-cut diamonds, ring size P. Sold for £33,600 (€42,228)
Accompanied by a certificate from Gübelin stating that the emerald is of Colombian origin, with indications of minor clarity enhancement. Certifiate number 11030022, dated 7 March 2011.