An emerald and diamond ring, by Verdura.. Photo Christie's Image Ltd 2013

Set with a rectangular-cut emerald in a pavé-set diamond surround and twisted rope shoulders, mounted in platinum, hinged hoop adjustable in size 5½ to 6½. Signed Verdura .Estimate CHF40,000 – CHF60,000

Accompanied by report no. 67344 dated 25 March 2013 from the SSEF Swiss Gemmological Institute stating that the emerald is of Colombian origin, with moderate amount of resin I

Christie's. MAGNIFICENT JEWELS. 15 May 2013. Geneva