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Cartier Colombian Emerald and Diamond Cluster Ring, English, circa 1920

About the Item

Cartier Colombian emerald and diamond cluster ring. Set to center with an octagonal emerald-cut natural Colombian emerald with no colour enhancement and no clarity enhancement in an open back rubover setting with an approximate weight of 2.62 carats, encircled by a concentric row of ten cushion shape old mine diamonds in open back grain and rubover settings with an approximate total weight of 3.20 carats, to an elegant cluster ring featuring intricately scalloped borders, finely pierced linear gallery and circular backholing, with the raised shoulders flowing through to a tapering solid D-shape shank. Tested platinum, signed 'Cartier London', English, circa 1920, accompanied by Swiss Gemmological Institute (SSEF) report #123841. Cartier opened their first workshop in London in the early 1920's, to meet the demands of the maison and the local English clientele. As Jacques Cartier strongly believed in providing the English workforce with opportunities of learning the trade and craft, the workshop took on 5 to 6 English apprentices every year.
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