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Star sapphire rings exhibit an incredible phenomenon called asterism. This is caused by needle-like inclusions within the gemstone, which reflect light into a captivating star pattern. Our antique star sapphire rings, also known as starburst sapphire rings, come in a variety of mesmerising hues, from light baby blues to elegant mauves.
At Berganza, each of our starburst sapphire rings is selected for its originality, colour, and beautiful display of this ethereal phenomenon. Each antique star sapphire ring is completely original to its period and without enhancement.
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Truly one of the best vintage jewellery collections in London.
We had the most wonderful experience buying my vintage engagement ring from Berganza.
Fantastic experience buying an engagement ring. Would highly recommend. Berganza has the best collection of antique rings to choose from.
Star Sapphires, like traditional blue sapphires, belong to the corundum family and rank 9 on the Mohs hardness scale, making them highly durable for everyday wear.
cabuochon sotne scna mvoe in setting
To clean your Star Sapphire ring, soak it in warm water for a few minutes, then gently brush it with a soft-bristled toothbrush to remove any dirt or residue. Rinse thoroughly and dry with a soft, lint-free cloth.
Avoid harsh chemicals and ultrasonic cleaners, as these can damage the stone or its setting over time.
Yes, Star Sapphires are can be completely natural gemstones. They display a unique optical phenomenon called asterism, which creates a star-like pattern on the surface of the stone.
This effect becomes visible when the sapphire is cut en cabochon (a smooth, rounded shape). The star, typically with six rays, and occasionally twelve is caused by fine, needle-like inclusions within the stone that reflect light in a precise alignment.
Yes, Star Sapphires are hihgly valuable as this unqiue effect is scarce amoungst sapphires.
One of the most important factors is the origin of the stone. Material from historic sources such as Sri Lanka (formerly Ceylon) is often considered more desirable and can command higher prices than more recently mined examples.
The quality of the star is also crucial. A sharp, well defined and centred star is highly prized by collectors and significantly enhances value.
Colour plays a key role as well, with rich, vivid hues, especially fine blues and rare “fancy” colours, often achieving premium prices. Additional factors such as clarity, provenance, carat weight and the quality of the cut all contribute to the overall value of the gemstone.
To reveal the star effect on a star sapphire ring, simply place the ring into direct light, natural daylight works particularly well, you will then be able to watch the star move delicatly accross the stone.