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Buy Untreated Gemstones

(170)
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Photos are of Actual Products for Sale
0.30ct1 Piece
$ 12.00
5.6 x 3.8 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.30 ct Iolite
Iolite Shape: Pear Facet Iolite
Iolite Size: 5.6 x 3.8 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.23 ct Square Cut Iolite, 2.6 x 2.6 mm From Madagascar

Natural Iolite, Qty: 2 pcs | 0.23 carat weight Iolite

0.23ct (total)2 Pieces
$ 9.20
2.6 x 2.6 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.12 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 2.6 x 2.6 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 2
Iolite Certificate: GemSelect
Product Description:
View Details
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0.22 ct Square Cut Iolite, 2.6 x 2.5 mm From Madagascar

Natural Iolite, Qty: 2 pcs | 0.22 carat weight Iolite

0.22ct (total)2 Pieces
$ 8.80
2.6 x 2.5 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.11 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 2.6 x 2.5 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 2
Iolite Certificate: GemSelect
Product Description:
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0.31 ct Octagon Cut Iolite, 5 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.31 carat weight Iolite

0.31ct1 Piece
$ 12.40
5 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.31 ct Iolite
Iolite Shape: Octagon Step Cut Iolite
Iolite Size: 5 x 3 mm Iolite
Iolite Color: Eggplant Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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Select pcs
$ 2.05
3 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.12 ct Iolite
Iolite Shape: Square Step-Cut Iolite
Iolite Size: 3 x 3 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VVS-VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.32 ct Baguette Cut Iolite, 5.1 x 2.9 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.32 carat weight Iolite

0.32ct1 Piece
$ 12.80
5.1 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.32 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5.1 x 2.9 mm Iolite
Iolite Color: Intense Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.13 ct Square Cut Iolite, 3.1 x 3.1 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.13 carat weight Iolite

0.13ct1 Piece
$ 5.20
3.1 x 3.1 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.13 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 3.1 x 3.1 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.4 ct Marquise Cut Iolite, 7.9 x 3.8 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.40 carat weight Iolite

0.40ct1 Piece
$ 16.00
7.9 x 3.8 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.40 ct Iolite
Iolite Shape: Marquise Facet Iolite
Iolite Size: 7.9 x 3.8 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.16 ct Oval Cut Iolite, 4.6 x 2.9 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.16 carat weight Iolite

0.16ct1 Piece
$ 6.40
4.6 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.16 ct Iolite
Iolite Shape: Oval Facet Iolite
Iolite Size: 4.6 x 2.9 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.3 ct Oval Cut Iolite, 5 x 4 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.30 carat weight Iolite

0.30ct1 Piece
$ 12.00
5 x 4 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.30 ct Iolite
Iolite Shape: Oval Facet Iolite
Iolite Size: 5 x 4 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VS-SI Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.33 ct Octagon Cut Iolite, 5.1 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.33 carat weight Iolite

0.33ct1 Piece
$ 13.20
5.1 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.33 ct Iolite
Iolite Shape: Octagon Step Cut Iolite
Iolite Size: 5.1 x 3 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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Select pcs
$ 2.14
3.1 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.13 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 3.1 x 3 mm Iolite
Iolite Color: Intense Violet Blue Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.26 ct Octagon Cut Iolite, 5.1 x 3.1 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.26 carat weight Iolite

0.26ct1 Piece
$ 10.40
5.1 x 3.1 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.26 ct Iolite
Iolite Shape: Octagon Step Cut Iolite
Iolite Size: 5.1 x 3.1 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VVS-VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.3 ct Baguette Cut Iolite, 5 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.30 carat weight Iolite

0.30ct1 Piece
$ 12.00
5 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.30 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5 x 3 mm Iolite
Iolite Color: Intense Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.25 ct Baguette Cut Iolite, 5 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.25 carat weight Iolite

0.25ct1 Piece
$ 10.00
5 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.25 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5 x 3 mm Iolite
Iolite Color: Light Pinkish Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.33 ct Baguette Cut Iolite, 5 x 3.1 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.33 carat weight Iolite

0.33ct1 Piece
$ 13.20
5 x 3.1 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.33 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5 x 3.1 mm Iolite
Iolite Color: Medium Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.17 ct Square Cut Iolite, 3.3 x 3.2 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.17 carat weight Iolite

0.17ct1 Piece
$ 6.80
3.3 x 3.2 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.17 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 3.3 x 3.2 mm Iolite
Iolite Color: Medium Light-Violet Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.26 ct Marquise Cut Iolite, 5.7 x 2.9 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.26 carat weight Iolite

0.26ct1 Piece
$ 10.40
5.7 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.26 ct Iolite
Iolite Shape: Marquise Facet Iolite
Iolite Size: 5.7 x 2.9 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.33 ct Baguette Cut Iolite, 5.1 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.33 carat weight Iolite

0.33ct1 Piece
$ 13.20
5.1 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.33 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5.1 x 3 mm Iolite
Iolite Color: Medium Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.24 ct Marquise Cut Iolite, 5.8 x 3 mm From Brazil

Natural Iolite, Qty: 1 pc | 0.24 carat weight Iolite

0.24ct1 Piece
$ 9.60
5.8 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.24 ct Iolite
Iolite Shape: Marquise Facet Iolite
Iolite Size: 5.8 x 3 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VVS-VS Iolite
Iolite Origin: Brazil Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.17 ct Round Cut Iolite, 3.8 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.17 carat weight Iolite

0.17ct1 Piece
$ 6.80
3.8 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.17 ct Iolite
Iolite Shape: Round Facet Iolite
Iolite Size: 3.8 mm Iolite
Iolite Color: Silverish Blue Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
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0.3 ct Baguette Cut Iolite, 5.1 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.30 carat weight Iolite

0.30ct1 Piece
$ 12.00
5.1 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.30 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5.1 x 3 mm Iolite
Iolite Color: Medium Violet Iolite
Iolite Clarity: VS-SI Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.19 ct Baguette Cut Iolite, 4.9 x 2.4 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.19 carat weight Iolite

0.19ct1 Piece
$ 7.60
4.9 x 2.4 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.19 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 4.9 x 2.4 mm Iolite
Iolite Color: Silverish Blue Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.22 ct Square Cut Iolite, 2.7 x 2.6 mm From Madagascar

Natural Iolite, Qty: 2 pcs | 0.22 carat weight Iolite

0.22ct (total)2 Pieces
$ 8.80
2.7 x 2.6 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.11 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 2.7 x 2.6 mm Iolite
Iolite Color: Light Purplish Blue Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 2
Iolite Certificate: GemSelect
Product Description:
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0.32 ct Baguette Cut Iolite, 5 x 2.9 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.32 carat weight Iolite

0.32ct1 Piece
$ 12.80
5 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.32 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5 x 2.9 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.13 ct Oval Cut Iolite, 4.6 x 2.9 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.13 carat weight Iolite

0.13ct1 Piece
$ 5.20
4.6 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.13 ct Iolite
Iolite Shape: Oval Facet Iolite
Iolite Size: 4.6 x 2.9 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.32 ct Oval Cut Iolite, 6.1 x 4.3 mm From Brazil

Natural Iolite, Qty: 1 pc | 0.32 carat weight Iolite

0.32ct1 Piece
$ 12.80
6.1 x 4.3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.32 ct Iolite
Iolite Shape: Oval Facet Iolite
Iolite Size: 6.1 x 4.3 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS-SI Iolite
Iolite Origin: Brazil Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
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0.15 ct Marquise Cut Iolite, 6.2 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.15 carat weight Iolite

0.15ct1 Piece
$ 6.00
6.2 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.15 ct Iolite
Iolite Shape: Marquise Facet Iolite
Iolite Size: 6.2 x 3 mm Iolite
Iolite Color: Silverish Blue Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.23 ct Marquise Cut Iolite, 5.7 x 2.9 mm From Brazil

Natural Iolite, Qty: 1 pc | 0.23 carat weight Iolite

0.23ct1 Piece
$ 9.20
5.7 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.23 ct Iolite
Iolite Shape: Marquise Facet Iolite
Iolite Size: 5.7 x 2.9 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Brazil Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.33 ct Baguette Cut Iolite, 5.1 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.33 carat weight Iolite

0.33ct1 Piece
$ 13.20
5.1 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.33 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5.1 x 3 mm Iolite
Iolite Color: Medium Violet Iolite
Iolite Clarity: VS-SI Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.28 ct Baguette Cut Iolite, 4.9 x 3.1 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.28 carat weight Iolite

0.28ct1 Piece
$ 11.20
4.9 x 3.1 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.28 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 4.9 x 3.1 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS-SI Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.12 ct Square Cut Iolite, 3 x 2.9 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.12 carat weight Iolite

0.12ct1 Piece
$ 4.80
3 x 2.9 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.12 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 3 x 2.9 mm Iolite
Iolite Color: Medium Light-Violet Iolite
Iolite Clarity: VVS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.22 ct Square Cut Iolite, 4.1 x 4 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.22 carat weight Iolite

0.22ct1 Piece
$ 8.80
4.1 x 4 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.22 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 4.1 x 4 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.21 ct Square Cut Iolite, 2.7 x 2.6 mm From Madagascar

Natural Iolite, Qty: 2 pcs | 0.21 carat weight Iolite

0.21ct (total)2 Pieces
$ 8.40
2.7 x 2.6 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.11 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 2.7 x 2.6 mm Iolite
Iolite Color: Dark Bluish Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 2
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.3 ct Baguette Cut Iolite, 5 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.30 carat weight Iolite

0.30ct1 Piece
$ 12.00
5 x 3 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.30 ct Iolite
Iolite Shape: Baguette Facet Iolite
Iolite Size: 5 x 3 mm Iolite
Iolite Color: Medium Violet Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 1
Iolite Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.2 ct Square Cut Iolite, 2.6 x 2.6 mm From Madagascar

Natural Iolite, Qty: 2 pcs | 0.20 carat weight Iolite

0.20ct (total)2 Pieces
$ 8.00
2.6 x 2.6 mm
Item Description
Stone Type: Loose Iolite
Iolite Weight: 0.10 ct Iolite
Iolite Shape: Square Facet Iolite
Iolite Size: 2.6 x 2.6 mm Iolite
Iolite Color: Deep Purple Iolite
Iolite Clarity: VS Iolite
Iolite Origin: Madagascar Iolite
Iolite Treatment: Untreated
Iolite Quantity: 2
Iolite Certificate: GemSelect
Product Description:
View Details
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The idea of treating gemstones is nothing new. Nowadays, gem treatments are a way to supply the global demand for colored gemstones with a very limited 'natural' supply. Many gem types are always, or almost always, treated. The most common gem treatment is heat treatment, which is routinely applied to ruby and sapphire. Other gems such as emerald, tanzanite, blue zircon and blue topaz, are generally treated to produce their distinctive color; in fact it's virtually impossible to buy blue topaz that has not been irradiated. Even for the most expert gem buyers, determining whether a gemstone has been treated or enhanced is not always easy, and usually requires much more than just a jeweler's loupe.

Even with advanced gemological equipment, many treatments are still almost impossible to detect. So for many gem and jewelry buyers, one of the best ways to ensure the gem they're acquiring is completely natural and untreated, is through the selective buying of gemstone varieties that for the most part are never enhanced in any way. If you're searching for untreated gemstones, you may be surprised to discover we carry over 100 different untreated gem types.

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Overall Rating -> 10 star ratings

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Overall Rating -> 10 star ratings

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