Natural Iolite Gemstones
Explore natural iolite gemstones in rich violet-blue shades, perfect for custom jewelry and collectors.
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Bi-color
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Black
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Blue Iolite
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Brown
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Golden
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Gray
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Green
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Multicolor
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet Iolite
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
0.23ct Pinkish Violet Iolite, Emerald Cut, VVS-VS
5 x 2.8 mm
$ 11.04
0.30ct Dark Bluish Purple Iolite, Emerald Cut, VS
5 x 3 mm (calibrated)
$ 14.40
0.21ct Dark Bluish Purple Iolite, Emerald Cut, VS-SI
5 x 3 mm (calibrated)
$ 10.08
0.19ctw Silverish Blue Iolite, Square, VS
2.6 x 2.6 mm
$ 9.12
0.26ct Deep Blue Iolite, Emerald Cut, VS
5 x 3 mm (calibrated)
$ 12.48
0.35ct Dark Bluish Purple Iolite, Pear Shape, VS
6 x 4 mm (calibrated)
$ 16.80
0.30ct Medium Violet Iolite, Baguette, VS-SI
5 x 3 mm (calibrated)
$ 14.40
0.27ct Pinkish Violet Iolite, Baguette, VS
5 x 3 mm (calibrated)
$ 12.96
0.30ct Deep Purple Iolite, Baguette, VS
5 x 3 mm (calibrated)
$ 14.40
0.29ct Silverish Blue Iolite, Emerald Cut, VS
5 x 3 mm (calibrated)
$ 13.92
0.27ct Medium Light Violet Iolite, Oval, VS
6 x 4 mm (calibrated)
$ 12.96
0.33ct Medium Violet Iolite, Baguette, VS
5 x 3 mm (calibrated)
$ 15.84
0.27ct Deep Purple Iolite, Emerald Cut, VS
5 x 3 mm (calibrated)
$ 12.96
0.19ct Silverish Blue Iolite, Baguette, VS
4.9 x 2.4 mm
$ 9.12
0.19ctw Deep Purple Iolite, Square, VS
2.6 x 2.5 mm
$ 9.12
0.20ct Deep Purple Iolite, Emerald Cut, VVS-VS
5 x 3 mm (calibrated)
$ 9.60
0.20ctw Silverish Blue Iolite, Square, VS
2.7 x 2.7 mm
$ 9.60
0.26ct Deep Purple Iolite, Emerald Cut, VVS-VS
5 x 3 mm (calibrated)
$ 12.48
0.33ct Silverish Blue Iolite, Pear Shape, VS
6 x 4 mm (calibrated)
$ 15.84
0.21ct Dark Bluish Purple Iolite, Square, VVS
3.6 x 3.6 mm
$ 10.08
0.18ctw Light Sky Blue Iolite, Square, VS
2.7 x 2.6 mm
$ 8.64
0.17ctw Light Purplish Blue Iolite, Square, VS
2.6 x 2.5 mm
$ 8.16
0.27ct Dark Bluish Purple Iolite, Pear Shape, VS
4.2 x 4.1 mm
$ 12.96
0.25ct Light Pinkish Violet Iolite, Baguette, VS
5 x 3 mm (calibrated)
$ 12.00
Why Buy Iolite from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
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Natural Iolite Gemstones
Our natural iolite gemstones are carefully selected for their deep violet-blue color and excellent transparency. Also known as cordierite, iolite is prized for its unique pleochroism, showing different shades when viewed from different angles.
Loose Iolite Stones Online
Buy loose iolite stones online with confidence at GemSelect. Choose from a wide variety of shapes, sizes, and calibrated options, all backed by detailed specifications and worldwide shipping.
Iolite for Custom Jewelry
Iolite is a durable gemstone with a Mohs hardness of 7 to 7.5, making it suitable for rings, earrings, pendants, and bracelets. Its rich blue-violet tones offer an affordable alternative to sapphire for elegant jewelry designs.
Faceted Iolite Stones
Faceted iolite gemstones maximize brilliance and highlight the stone’s natural color shifts. Popular cuts include oval, round, pear, and cushion shapes for both classic and modern settings.
Iolite Cabochons
Iolite cabochons feature smooth, polished surfaces that emphasize color depth and subtle internal characteristics. They are ideal for distinctive designer pieces and artisan jewelry.
Calibrated Iolite Sizes
We offer calibrated iolite gemstones in standard sizes such as 6 mm, 7 mm, and 8 x 6 mm, making them easy to set into pre-made jewelry mountings.
Iolite Birthstone & Meaning
Iolite is often associated with intuition, clarity, and inner vision. It is sometimes linked to the zodiac sign Sagittarius and is valued by collectors for both its beauty and symbolism.
Learn more about the properties, history, and gemological details on our Iolite Information Page.
FAQs
Is iolite a natural gemstone?
Yes, our iolite gemstones are 100% natural. Any treatments, if present, are fully disclosed for complete transparency.
What makes iolite unique?
Iolite is known for strong pleochroism, meaning it can display different colors such as blue, violet, and gray depending on the viewing angle.
Is iolite suitable for everyday rings?
With a Mohs hardness of 7 to 7.5, iolite is durable enough for occasional daily wear, though protective settings are recommended for rings.
Is iolite the same as cordierite?
Yes, iolite is the gem-quality variety of the mineral cordierite. The names are often used interchangeably in the gem trade.
Do you offer iolite in calibrated sizes?
Yes, we stock calibrated iolite gemstones in standard millimeter sizes suitable for commercial and custom jewelry settings.
Is iolite a birthstone?
Iolite is not a traditional modern birthstone, but it is sometimes associated with Sagittarius and is occasionally used as an alternative December gemstone.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 10
I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.
Overall Rating -> 9 
Will know more once order received
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
Overall Rating -> 9
Plan on purchasing on an ongoing basis. So far.....so good....
