Gemstone guide
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What is Rainbow Moonstone?
Rainbow Moonstone is the labradorite variety of feldspar, coloured by adularescence. A guide to the gem, and to buying one well.
About Rainbow Moonstone
01- Species
- Feldspar
- Variety
- Labradorite
- Hardness (Mohs)
- 6 - 6.5
- Refractive index
- 1.52 - 1.53
- Colour caused by
- Adularescence
Rainbow Moonstone, a captivating member of the feldspar family, enchants with its ethereal play of light and colour. Sourced from the lush terrains of Madagascar, this gemstone is celebrated for its unique adularescence—a soft, billowy light that dances across its surface, reminiscent of moonlight. The allure of Rainbow Moonstone lies in its delicate interplay of mixed and white hues, enhanced by its superior clarity ranging from VS to the impeccable IF.
Our collection showcases an array of exquisite cuts, including the Fine Step Cut, Asscher Cut, and the timeless Cabochon, each crafted to accentuate the stone's natural beauty. With prices starting from around $96 per carat, Rainbow Moonstone offers a luxurious yet attainable indulgence. Many of these stones can be accompanied by a laboratory certificate upon request, ensuring the authenticity and quality that STARLANKA is renowned for.
Judging quality
02What drives the value
- Clarity
- Intensity of adularescence
- Size
What to watch for when buying
- Overpaying for low-quality stones with poor adularescence
- Confusing with other types of moonstone
Inclusions you may see
- Feathers
- Needle-like inclusions
- Clouds
Origin, treatment and trade names
03Where it comes from
Trade names
Price per carat
04- Typical price
- $154 per carat
- Most stones
- $95–$306 per carat
- Based on
- 181 stones in our stock, updated weekly. Rainbow Moonstone prices by carat size →
From our stock
05
Frequently Asked Questions
06Where do Rainbow Moonstones originate?
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Our Rainbow Moonstones are sourced from Madagascar, a region known for producing gemstones with exceptional quality and beauty.
Are Rainbow Moonstones treated?
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Any treatments for Rainbow Moonstones are fully disclosed, ensuring transparency and integrity in each gemstone we offer.
What factors drive the value of a Rainbow Moonstone?
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The value of a Rainbow Moonstone is influenced by its adularescence, clarity, and cut. Superior clarity, such as VS or IF, and a well-executed cut enhance the stone's natural allure.
How should I choose a Rainbow Moonstone?
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When selecting a Rainbow Moonstone, consider the quality of its adularescence, the clarity grade, and the precision of the cut to ensure a piece that resonates with your personal style.
Is certification available for Rainbow Moonstones?
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Many Rainbow Moonstones in our collection can be accompanied by a laboratory certificate upon request, providing assurance of their quality and authenticity.
Shop
Rainbow Moonstone
Every stone shows its own price, weight, origin and treatment. Browse our rainbow moonstone, or contact our team for personal help choosing one.