18ct Gold Doublet Opal Ring with Oval Black Opal

18ct gold doublet opal ring, stamped 18ct, set with an oval cut…
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18ct gold doublet opal ring, stamped 18ct, set with an oval cut doublet black opal in a multi claw setting, above a pierced gallery and loops to shoulders uniting the 18ct yellow gold band, total weight 8.93gm, size Q

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  • Doublet and Triplet - A doublet and a triplet are both composite imitation stones, consisting of two or three joined layers. A triplet is made with the crown and base of genuine material, but with a centre layer, usually of glass, the object being to make the stone appear larger than it really is. A doublet consists of only two layers.

    Opal doublets are quite common and consist of a thin layer of opal cemented to an opal matrix or black glass.

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