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Home Gemstones Iolite
0.21 ct Blue Iolite Gemstone, Iolite Gem in Octagon Step Cut Shape for Sale.
Photos are of Actual Product for Sale
0.21 ct Blue Iolite Stone, Natural Iolite in Octagon Step Cut Shape for Sale Iolite Gemstone in 5 x 3 mm (calibrated) Size for Sale, Iolite Stone in Silverish Blue Color

0.21ct Natural Blue Iolite, Emerald Cut, 4.9x2.9 mm

9.7 out of 10
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Product ID: 687208
Type: Iolite
Weight: 0.21 ct 1 gem
Size: 5 x 3 mm calibrated
Size: 4.9 x 2.9 x 2.1 mm
Exact Size: 4.92 x 2.90 x 2.13 mm
Length x Width x Depth
Shape: Octagon Step Cut
Color: Silverish Blue
Clarity: VS
Treatment: Untreated
Origin: Madagascar
Content: 1 pc
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Product Description

This is a 0.21 carat natural silverish blue Iolite gem, 1 pc in octagon / emerald cut shape with an exact size of 4.92 x 2.90 x 2.13 mm. This loose Iolite gemstone was mined in Madagascar and its clarity is VS (Eye Clean). No treatment has been applied on this natural Iolite stone

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Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
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Very pleasant

Posted By Varun in June, 2026
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GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
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It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
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selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
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Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
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