Two opal set signet rings. Both 9ct yellow gold, one presented as a classic oval shaped signet featuring a central low cabochon piece of solid white opal, measuring approximately 14.2 x 11.5 mm, bezel set in an open backed mount, merging to smooth shoulders and band, the second ring of square shape, featuring a painted back solid piece of opal, strong blue and green spectral colours throughout, the flat polished piece, open to reverse, merging to shaped tapering shoulders and band. N.B. Opal as found.
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- Bezel - On a clock or watch, the bezel is the metal frame into which the watch or clock glass is fitted. In clocks, the bezel may include a hinge and a flange, in effect a door to the face of the clock. In jewellery the bezel is a band of metal with a projecting lip that holds the gemstone in its setting.
- Cabochon Cut in Jewellery - A cabochon cut is a type of gemstone cutting where the stone is cut and polished in a convex shape with a flat bottom and a domed top, with no facets. This type of cut is typically used for opaque or translucent stones that have natural patterns or inclusions that are best displayed in this type of cut. Examples of stones that are often cut as cabochons include turquoise, opal, and moonstone.
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