Boucheron Colombian Emerald and Diamond Ring, French, circa 1920

Boucheron Colombian emerald and diamond ring. Centrally set with a cushion shape old mine cut natural Colombian emerald with indications of minor clarity enhancement in an open back claw setting with an approximate weight of 6.20 carats, further adorned with four drop shape old mine diamonds in open back claw settings with a combined approximate weight of 2.10 carats, to an impressive flanked solitaire design featuring double corner claws, a linear pierced gallery and open backholing, the raised shoulders flowing to a solid square shank. Marked platinum, signed 'Monture Boucheron', French, circa 1920, accompanied by Gubelin report #19090111. Please note shipping to the United States of America requires the purchaser to fill out a CBP 5106 customs form before the item is shipped. This form is a legal requirement for any item over $2,000 which is being imported into the United States. One of the details the form requests is the purchaser’s social security number or importer’s number.