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ID: 674917
Weight: 18.52ct
Size: 22.5 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.67
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ID: 645654
Weight: 22.63ct
Size: 31.5 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.58
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ID: 675204
Weight: 19.68ct
Size: 31 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.76
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ID: 645315
Weight: 24.46ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.68
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ID: 674986
Weight: 29.24ct
Size: 28.5 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.32
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ID: 674982
Weight: 18.17ct
Size: 24.8 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.63
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ID: 675209
Weight: 20.38ct
Size: 29.6 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.29
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ID: 433965
Weight: 47.70ct
Size: 30.6 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.96
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ID: 391484
Weight: 45.21ct
Size: 36.5 x 27 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.68
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ID: 276804
Weight: 26.78ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 70.70
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ID: 675211
Weight: 32.18ct
Size: 33.1 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.97
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ID: 433974
Weight: 27.71ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.58
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ID: 578050
Weight: 15.68ct
Size: 25 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.04
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ID: 447762
Weight: 38.49ct
Size: 34 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.81
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ID: 447758
Weight: 54.37ct
Size: 28.4 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.77
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ID: 435002
Weight: 28.60ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.75
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ID: 674980
Weight: 21.20ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.08
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ID: 692843
Weight: 36.64ct
Size: 42.8 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.19
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ID: 645611
Weight: 18.78ct
Size: 28.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.39
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ID: 578584
Weight: 15.82ct
Size: 23.6 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.32
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ID: 645304
Weight: 27.67ct
Size: 32.2 x 21.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.61
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ID: 578675
Weight: 17.87ct
Size: 24.8 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.39
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ID: 675201
Weight: 15.65ct
Size: 27.4 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.09
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ID: 433728
Weight: 23.72ct
Size: 28.3 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.72
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ID: 604680
Weight: 27.63ct
Size: 33 x 21.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.17
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ID: 435086
Weight: 17.08ct
Size: 27.9 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.55
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ID: 433674
Weight: 28.65ct
Size: 30.7 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.82
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ID: 674909
Weight: 14.32ct
Size: 24.1 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.89
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ID: 645312
Weight: 33.09ct
Size: 37 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.86
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ID: 578222
Weight: 16.17ct
Size: 24.1 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.03
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ID: 675207
Weight: 18.13ct
Size: 26.4 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.60
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ID: 578581
Weight: 12.98ct
Size: 23.2 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.70
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ID: 578589
Weight: 16.54ct
Size: 25.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.75
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ID: 434101
Weight: 24.86ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.82
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ID: 434997
Weight: 37.25ct
Size: 25.5 x 23.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.18
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ID: 674670
Weight: 17.74ct
Size: 25.9 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.97
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ID: 578587
Weight: 15.09ct
Size: 23.3 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.88
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ID: 645469
Weight: 23.49ct
Size: 28.2 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.10
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ID: 433963
Weight: 28.75ct
Size: 33.4 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.50
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ID: 674988
Weight: 13.63ct
Size: 24.8 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.26
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ID: 578586
Weight: 18.03ct
Size: 24.7 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.71
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ID: 604673
Weight: 30.28ct
Size: 32.6 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.97
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ID: 578058
Weight: 11.74ct
Size: 23.6 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.24
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ID: 435080
Weight: 26.64ct
Size: 30.9 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.16
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ID: 435211
Weight: 31.05ct
Size: 27.5 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.16
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ID: 645474
Weight: 19.50ct
Size: 25.8 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.70
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ID: 645468
Weight: 35.04ct
Size: 28.8 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.02
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ID: 435088
Weight: 25.69ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.91
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ID: 645470
Weight: 34.05ct
Size: 33.7 x 24 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.44
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ID: 604674
Weight: 21.74ct
Size: 28.7 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.96
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ID: 434913
Weight: 15.20ct
Size: 24.3 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.06
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ID: 578054
Weight: 18.03ct
Size: 24.1 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.71
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ID: 578218
Weight: 15.13ct
Size: 24.5 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.96
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ID: 675200
Weight: 12.77ct
Size: 27.8 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.50
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ID: 434037
Weight: 34.12ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.04
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ID: 675210
Weight: 24.45ct
Size: 32.2 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.01
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ID: 692836
Weight: 34.72ct
Size: 42.9 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.42
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ID: 645465
Weight: 21.49ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.90
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ID: 433966
Weight: 37.83ct
Size: 33.1 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.93
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ID: 674912
Weight: 13.21ct
Size: 23.6 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.89
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GemSelect Certified Store Reviews

GemSelect: Over 18 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Black Obsidian is naturally occurring volcanic glass which has been used as a gemstone since antiquity. Obsidian was named after Obsius, a Roman who discovered a similar stone. The black color in Obsidian is due to the presence of iron and magnesium.

Where is Black Obsidian found?

Black Obsidian is found in places that have experienced volcanic eruptions. Such places include Argentina, Armenia, Azerbaijan, Canada, Chile, Georgia, Greece, El Salvador, Guatemala, Iceland, Italy, Japan, Kenya, Mexico, New Zealand, Peru, Scotland, Turkey and the United States.

Black Obsidian cut, shape and treatment

Due to the opacity of most types of black Obsidian, it is usually cabochon cut, fancy cut, sphere-cut, tumbled, made into cameos or carved. Cabochon cuts also best exhibit any sheen or iridescence. Obsidian is not usually treated or enhanced in any way.

Black Obsidian Price

Black Obsidian often comes in some very large carat sizes in all manner of shapes. It is a very affordable gemstone with prices often ranging from $0.50 up to $5 per carat for all weight ranges.

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Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate
Enlarged Gemstone Image