David Webb. An Emerald and Diamond Ring Photo Philips de Pury & Company

Set with a rectangular cut-cornered emerald, weighing approximately 4.43 carats, within a circular-cut diamond surround, further enhanced with a pear-shape and circular-cut diamond bombé gallery, to the pavé-set diamond half hoop, mounted in platinum, size 6 3/4.  Signed 'DAVID WEBB'. Lot 163. Estimate $40,000-50,000 

Philips de Pury & Company. 19 April 2012 4pm. 450 Park Avenue, New York. Enquiries Nazgol Jahan njahan@phillipsdepury.com - + 1 212 940 1283