Lot 173. A 13.82 carats Colombian emerald and diamond ring. Estimate US$ 280,000 - 380,000 (€260,000 - 360,000). Photo: Bonhams.

centering a rectangular step-cut emerald, weighing 13.82 carats, flanked either side by trapezoid-shaped diamonds; estimated total diamond weight: 1.50 carats; mounted in platinum; size 6 1/2

Accompanied by AGL report # CS 85364, dated June 13, 2016, stating the emerald as: Colombian origin, indications of minor (modern) clarity enhancements. 

Accompanied by Gubelin report # 12040060, dated April 16, 2012, stating the emerald as: Colombian origin, indications of minor clarity enhancement.