Black Opal Doublet Signet Ring in 9ct Yellow Gold

A gents black opal doublet signet ring. 9ct yellow gold, made…
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A gents black opal doublet signet ring. 9ct yellow gold, made as a simple square edged signet ring, featuring a central black opal doublet measuring 11.8 x 10 mm, strong varied spectral colours throughout, flush set in a closed back mount, merging to wide tapering shoulders with faint bark finished texture. Weight: 11.8grams

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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.
  • Closed Back in Jewellery - A closed back setting in jewellery refers to a type of setting where the back of the stone is not visible. The stone is typically set in a metal bezel or cup that covers the back and sides of the stone. This type of setting is commonly used for opaque or dark-colored stones, as it helps to improve the stone's overall appearance by hiding any inclusions or blemishes that may be present on the back of the stone.

    Closed back settings are also used to protect the back of the stone from damage or to prevent it from falling out of the setting. This type of setting can be found in a wide range of jewellery styles, including rings, earrings, and pendants, and can be made from a variety of metals, including gold, silver, and platinum.

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