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Natural Iolite Gemstones

Explore natural iolite gemstones in rich violet-blue shades, perfect for custom jewelry and collectors.

Iolite Weight
Iolite Size
Iolite Clarity
Iolite Price

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For Example: 8-9
Bi-color
Black
Blue Iolite
Brown
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Violet Iolite
White
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0.23Ct Bright Violet Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 11.04

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0.30Ct Intense Violet Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 14.40

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0.22Ctw Dark Bluish Purple Iolite, Square, Vvs-Vs

2.7 x 2.6 mm

$ 10.56

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0.20Ct Royal Violet Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 9.60

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0.21Ctw Dark Bluish Purple Iolite, Square, Vs

2.7 x 2.6 mm

$ 10.08

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0.28Ct Deep Purple Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 13.44

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0.27Ct Bluish Violet Iolite, Emerald Cut, Vs-Si

5 x 3 mm (calibrated)

$ 12.96

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0.12Ct Medium Light-Violet Iolite, Square, Vvs

3 x 3 mm (calibrated)

$ 5.76

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0.21Ct Medium Light Violet Iolite, Baguette, Vs-Si

5 x 2.5 mm

$ 10.08

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0.22Ctw Light Purplish Blue Iolite, Square, Vs

2.7 x 2.6 mm

$ 10.56

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0.24Ct Deep Purple Iolite, Emerald Cut, Si

5 x 3 mm (calibrated)

$ 11.52

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0.24Ct Medium Violet Iolite, Emerald Cut, Vs-Si

5 x 3 mm (calibrated)

$ 11.52

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0.25Ct Dark Blue Iolite, Emerald Cut, Vs-Si

5 x 3 mm (calibrated)

$ 12.00

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0.27Ct Intense Violet Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 10.80

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0.19Ctw Violet Blue Iolite, Square, Vs

2.7 x 2.5 mm

$ 19.60

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0.37Ct Deep Blue Iolite, Pear Shape, Vs

5 x 5 mm (calibrated)

$ 14.80

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0.28Ct Pinkish Violet Iolite, Emerald Cut, Vs

5 x 3 mm (calibrated)

$ 13.44

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0.19Ctw Dark Bluish Purple Iolite, Square, Vs

2.6 x 2.6 mm

$ 9.12

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0.26Ct Deep Purple Iolite, Emerald Cut, Vvs-Vs

5 x 3 mm (calibrated)

$ 12.48

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0.27Ct Medium Light Violet Iolite, Oval, Vs

6 x 4 mm (calibrated)

$ 12.96

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0.35Ct Eggplant Violet Iolite, Pear Shape, Vs

6 x 4 mm (calibrated)

$ 16.80

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0.24Ct Pinkish Violet Iolite, Emerald Cut, Vs-Si

4.8 x 2.9 mm

$ 11.52

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0.25Ct Dark Bluish Purple Iolite, Round, Vs

4.2 mm

$ 12.00

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0.23Ct Deep Purple Iolite, Round, Vs-Si

4.2 mm

$ 11.04

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Why Buy Iolite from GemSelect?

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.

Loose Iolite Gemstones for Jewelry Making

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 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
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Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
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Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate
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