Lot 574. A Fine 10.02 carats Colombian Emerald and Diamond Ring. Estimate HK$ 3,400,000 - 4,000,000 (€370,000 - 430,000). Sold for HK$ 6,100,000 (€657,724). Photo: Bonhams.

Accompanied by a SSEF report stating that the natural emerald has no indications of clarity enhancement and originates from Colombia. Report number 95268, dated 20 September 2017.

Accompanied by a Gubelin report stating that the natural emerald has no indications of clarity enhancement and originates from Colombia. Report number 17081177, dated 31 August 2017. 

Accompanied by two GIA reports stating that the 0.71 and 0.61 carat diamonds are both D colour, VVS2 and VS2 clarity respectively. Report numbers 3255653752 and 1255653843, both dated 10 May 2017. 

Bonhams. RARE JEWELS & JADEITE, 26 Nov 2017, 14:00 HKT - HONG KONG, ADMIRALTY