An emerald and diamond ring. Photo Philips de Pury & Co
PROVENANCE Accompanied by report number 0701011, dated 9 January 2007, from the Gubelin Gemlab, Lucerne, stating the natural emerald to be of Colombian origin with indications of minor clarity enhancement.
Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com