X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue Iolite
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet Iolite
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
Clear All

0.14Ct Silverish Blue Iolite, Square, Vs

3 x 3 mm (calibrated)

$ 6.72

View Details

0.33Ct Dark Bluish Purple Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 15.84

View Details

0.26Ct Deep Violet Iolite, Baguette, Vs-Si

5 x 3 mm (calibrated)

$ 12.48

View Details

0.29Ct Deep Violet Iolite, Emerald Cut, Vs

5 x 3 mm (calibrated)

$ 13.92

View Details

0.26Ct Deep Violet Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 12.48

View Details

0.32Ct Dark Bluish Purple Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 15.36

View Details

0.26Ct Deep Purple Iolite, Marquise, Vs

5.7 x 2.9 mm

$ 12.48

View Details

0.28Ct Dark Blue Iolite, Pear Shape, Vs

4 x 4 mm (calibrated)

$ 13.44

View Details

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

5 x 3 mm (calibrated)

$ 12.00

View Details

0.30Ct Deep Purple Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 14.40

View Details

0.25Ct Deep Purple Iolite, Emerald Cut, Vs

5 x 3 mm (calibrated)

$ 12.00

View Details

0.32Ct Deep Purple Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 15.36

View Details

0.32Ct Dark Bluish Purple Iolite, Baguette, Vs-Si

5 x 3 mm (calibrated)

$ 15.36

View Details

0.21Ct Dark Bluish Purple Iolite, Oval, Vs

5 x 3 mm (calibrated)

$ 10.08

View Details

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

5 x 3 mm (calibrated)

$ 12.96

View Details

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

4.8 x 2.9 mm

$ 11.52

View Details

0.29Ct Deep Blue Iolite, Baguette, Vs

5 x 3 mm (calibrated)

$ 13.92

View Details

0.23Ct Pinkish Violet Iolite, Emerald Cut, Vvs-Vs

5 x 2.8 mm

$ 11.04

View Details

0.22Ctw Deep Purple Iolite, Square, Vs

2.7 x 2.7 mm

$ 10.56

View Details

0.27Ct Medium Light-Violet Iolite, Baguette, Si

5 x 3 mm (calibrated)

$ 12.96

View Details

0.27Ct Dark Bluish Purple Iolite, Emerald Cut, Vs

5 x 3 mm (calibrated)

$ 12.96

View Details

1.43Ctw Medium Light Violet Iolite, Oval, Vs

5.9 x 4.2 mm

$ 16.46

View Details

0.14Ct Deep Purple Iolite, Square, Vvs

3 x 3 mm (calibrated)

$ 6.72

View Details

0.17Ct Medium Light-Violet Iolite, Square, Vvs

3.3 x 3.2 mm

$ 8.16

View Details
1 - 6

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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
Source: Bizrate
Enlarged Gemstone Image