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 |
0.27Ct Intense Violet Iolite, Baguette, Vs
5 x 3 mm (calibrated)
$ 10.80
0.28Ct Medium Light-Violet Iolite, Square, Vvs
4 x 4 mm (calibrated)
$ 13.44
0.37Ct Deep Blue Iolite, Pear Shape, Vs
5 x 5 mm (calibrated)
$ 14.80
0.30Ct Medium Violet Iolite, Baguette, Vs
5 x 3 mm (calibrated)
$ 14.40
0.21Ctw Dark Blue Iolite, Square, Vs
2.7 x 2.6 mm
$ 10.08
0.27Ct Dark Bluish Purple Iolite, Pear Shape, Vs
4.2 x 4.1 mm
$ 12.96
0.24Ct Medium Violet Iolite, Emerald Cut, Vs-Si
5 x 3 mm (calibrated)
$ 11.52
0.21Ct Dark Bluish Purple Iolite, Emerald Cut, Vs-Si
5 x 3 mm (calibrated)
$ 10.08
0.21Ct Medium Light-Violet Iolite, Emerald Cut, Vs
5 x 2.8 mm
$ 10.08
0.22Ctw Dark Bluish Purple Iolite, Square, Vs
2.7 x 2.6 mm
$ 10.56
0.35Ct Royal Violet Iolite, Pear Shape, Vs
6 x 4 mm (calibrated)
$ 16.80
0.27Ct Dark Bluish Purple Iolite, Emerald Cut, Vs
5 x 3 mm (calibrated)
$ 12.96
0.18Ct Medium Light Violet Iolite, Baguette, Vs
4.8 x 3 mm
$ 8.64
0.24Ct Dark Bluish Purple Iolite, Emerald Cut, Vs
4.6 x 3.2 mm
$ 11.52
0.18Ct Very Light Pinkish Violet Iolite, Baguette, Vs-Si
5 x 3 mm (calibrated)
$ 8.64
0.30Ct Intense Violet Iolite, Baguette, Vs
5 x 3 mm (calibrated)
$ 14.40
0.31Ct Medium Violet Iolite, Emerald Cut, Vs-Si
5 x 3 mm (calibrated)
$ 14.88
0.19Ctw Dark Bluish Purple Iolite, Square, Vs
2.7 x 2.6 mm
$ 9.12
0.19Ctw Silverish Blue Iolite, Square, Vs
2.6 x 2.6 mm
$ 9.12
0.20Ctw Light Purplish Blue Iolite, Square, Vs
2.6 x 2.6 mm
$ 9.60
0.33Ct Deep Purple Iolite, Baguette, Vs
5 x 3 mm (calibrated)
$ 15.84
0.28Ct Dark Bluish Purple Iolite, Baguette, Vs-Si
5 x 3 mm (calibrated)
$ 13.44
0.26Ct Deep Purple Iolite, Emerald Cut, Vs
5 x 3 mm (calibrated)
$ 12.48
0.23Ct Deep Purple Iolite, Round, Vs-Si
4.2 mm
$ 11.04
Why Buy Iolite from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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 -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Overall Rating -> 10 
Easy process.
Overall Rating -> 10
Enjoy every moment
Overall Rating -> 10
They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.
Overall Rating -> 10
The stones are very nice.
Overall Rating -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
