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Lot 645. A Fine 7.92 carats Colombian Emerald and Diamond Ring. Estimate HK$ 1,560,000 - 1,800,000 (€190,000 - 220,000). Photo: Bonhams.

he step-cut emerald, weighing 7.92 carats, to a single-cut diamond set basket, the hoop partially set with old brilliant-cut diamonds, ring size 5

Accompanied by a SSEF report stating that the natural emerald has minor indications of clarity enhancement and originates from Colombia. Report number 80451, dated 1 June 2015. 

Bonhams. RARE JEWELS & JADEITE, 30 Nov 2016, 15:00 HKT - HONG KONG, ADMIRALTY