Lot 554. A Fine 5.31 carats Colombian Emerald and Diamond Ring. Estimate HK$ 1,100,000 - 1,500,000 (€ 120,000 - 160,000). © Bonhams 2001-2018

Accompanied by a SSEF report stating that the natural emerald has no indications of clarity enhancement and originates from Colombia. Report number 87100, dated 2 August 2016.

Accompanied by a Gubelin report stating that the natural emerald has no indications of clarity enhancement and originates from Colombia. Report number 18031246, dated 27 March 2018. Also accompanied by an additional information sheet on emeralds.