OCTAGONAL EMERALD RING Set in 18K yellow gold. Gross weight: 3.84 gr. Finger size: 54.5. Dimensions of the emerald: 10.65 x 10.44 x 4.80 mm. Emerald weight: approx. 3 to 4 carats. Preliminary opinion of GEM Paris: Colombia, moderate oil. An octagonal emerald and 18K yellow gold ring. Gross weight : 3,84 gr. Size : 54,5. Emerald dimensions : 10,65 x 10,44 x 4,80 mm. Emerald weight : 3 to 4 carats approx. GEM Paris preliminary report, in his opinion: origin Colombia, moderate oil.