Lot 2012. A 3.30 carat no oil Colombian emerald and diamond ring. Estimate HKD 850,000 - 1,200,000 (USD 108,800 - 153,600). Lot sold HKD 1,121,000 (USD 143,488). © Poly Auction Hong Kong Limited

Centering upon a rectangular-shaped emerald weighing 3.30 carats, to the pearand marquise- shaped diamond surround, mounted in 18K gold, ring size 6 1/2 

Accompanied by report no. 92444 dated 13 June 2017 from the SSEF stating that the 3.304 carat emerald is of Colombia origin, with no indications of clarity modification   

Poly Auction. Magnificent Jewels, 2 October 2017 1:30pm, Grand Hyatt Hong Kong