Australian sapphire and diamond 18ct gold ring with history
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Retro Australian sapphire, diamond & 18ct gold ring, white, marked makers 18ct. Approx weight 3.3 grams, ring size Q. Round facet sapphire 2.50ct estimated, RBD diamonds 2 = 0.06ct. minor facet wear. Provenance: Sapphire originally mined by husband Inverell 1920s, set in the 1940s as an engagement ring. Passed down to the daughter
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- Faceting - Faceting is a technique of removing material from a curved surface, to give a series of flat surfaces but retaining the profile of the original surface.
The technique is most commonly associated with diamond cutting where the various cuts used such as rose cut and brilliant cut, add life and sparkle to the stone, whilst at the same time removing as little of the stone as possible.
Faceting by grinding is also used to decorate glass. The stems of many drinking glasses are decorated by cutting a series of flat surfaces on a circular stem, and hollow vessels such as vases may have faceted surfaces.
In furniture faceting is often applied to legs of tables and chairs, where a circular baluster shaped section is flattened so as to form an octagonal section.
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