2.75mm Round Cabochon Cut Natural Standard White Opal Gemstone | Jewellery Trade Resources

Sale price£2.50


2.75mm Round Cabochon Cut Natural Standard White Opal Gemstone

Discover our exquisite standard white natural opal gemstones, featuring a stunning 2.75mm round cabochon cut and polished finish. We source and supply our gemstones, calibrated by diameter, from ethical suppliers specifically for the jewellery industry.

  • Genuine natural white opal
  • 2.75mm round cabochon cut
  • Luminous white with vibrant rainbow colour flashes
  • Skilled cabochon cut and polish

Please be aware that the images shown are an indication of the cut and general colour range. Due to the natural origin of each gemstone, the exact shade and height may differ. When ordering multiple gemstones, we carefully choose the most closely matched pieces in all aspects.

We provide a detailed invoice for each gemstone purchased. If you or your client require additional certification or a comprehensive report for a specific gemstone, you can obtain one from an independent laboratory of your choice.

About Opal Gemstones

Precious opals exhibit a striking play of colours on either a pale (white opal) or dark (black opal) background. Certain white opals showcase a translucent milky appearance, referred to as opalescence, which is distinct from the play of colours.

Opal Treatments

Opals may undergo a variety of treatments, such as staining and resin impregnation, to enhance their appearance. Composite stones, like doublets and triplets, can also be crafted from multiple pieces.

Opal Testing Techniques

Various methods, including observation, refractometers, UV light, and specific gravity testing, can be used to differentiate natural opals from synthetic ones.

Opal Symbolism and Properties

As an October birthstone and Libra zodiac gemstone, opal has long been held in high regard. The ancient Greeks believed opals granted the powers of foresight and prophecy, while the Romans associated them with purity and hope. With a hardness of 6, opals are among the softer and more delicate gemstones available.

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