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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 673201
Weight: 9.85ct
Size: 15.1 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.10
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ID: 683537
Weight: 4.06ct
Size: 9.4 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.70
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ID: 630317
Weight: 26.45ct
Size: 18.9 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 139.97
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ID: 728039
Weight: 0.11ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.36
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ID: 728170
Weight: 0.04ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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ID: 669536
Weight: 19.24ct
Size: 24.9 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.09
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ID: 701600
Weight: 8.77ct
Size: 16 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 52.62
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ID: 678015
Weight: 0.06ct
Size: 1.9 x 1.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.00
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ID: 678120
Weight: 0.36ct
Size: 3.4 x 3.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 216.00
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ID: 682965
Weight: 7.80ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 187.20
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ID: 683147
Weight: 0.23ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 131.82
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ID: 702344
Weight: avg. 0.07 ct / each
Size: 2.5 mm (calibrated)
Clarity: Opaque
Price: $ 24.82
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ID: 682111
Weight: 11.60ct
Size: 16.7 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.60
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ID: 669016
Weight: 0.88ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 844.80
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ID: 718166
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 737427
Weight: 2.45ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.70
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ID: 682528
Weight: 12.55ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.30
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ID: 384193
Weight: 20.00ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 79.20
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ID: 721379
Weight: 11.00ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.20
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ID: 701746
Weight: 11.38ct
Size: 16 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.28
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ID: 721377
Weight: 8.25ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 9.90
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ID: 668694
Weight: 0.55ct
Size: 4.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 528.00
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ID: 470424
Weight: 5.83ct
Size: 10.2 x 9.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.48
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ID: 685628
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.01
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ID: 737609
Weight: 5.74ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 34.44
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ID: 629453
Weight: 22.20ct
Size: 20.9 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.48
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ID: 672134
Weight: 4.71ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.30
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ID: 683144
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.64
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ID: 681847
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 718301
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 735012
Weight: 2.63ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.78
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ID: 734709
Weight: 2.19ct
Size: 7.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.14
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ID: 728042
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.87
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ID: 702076
Weight: 10.23ct
Size: 16.7 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.38
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ID: 737603
Weight: 7.08ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.48
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ID: 521049
Weight: 19.25ct
Size: 21.3 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.07
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ID: 727895
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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ID: 669633
Weight: 19.60ct
Size: 19.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.60
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ID: 674666
Weight: 17.61ct
Size: 26.2 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.85
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ID: 683064
Weight: 16.21ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 81.05
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ID: 737554
Weight: 8.90ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 53.40
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ID: 684427
Weight: avg. 0.16 ct / each
Size: 3.5 mm (calibrated)
Clarity: Opaque
Price: $ 0.49
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ID: 484754
Weight: 1.47ct
Size: 7.3 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.71
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ID: 683374
Weight: 5.51ct
Size: 11.1 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 119.02
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ID: 613273
Weight: 22.77ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 83.24
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ID: 674918
Weight: 11.74ct
Size: 23.8 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.57
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ID: 668915
Weight: 9.65ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.58
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ID: 484130
Weight: 3.75ct
Size: 11.2 x 7.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.76
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ID: 630308
Weight: 21.59ct
Size: 24.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.25
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ID: 682519
Weight: 11.49ct
Size: 16 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.94
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ID: 721328
Weight: 4.40ct
Size: 10.5 x 10.4 mm
Clarity: Opaque
Price: $ 5.28
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ID: 678130
Weight: 0.34ct
Size: 3.3 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 170.00
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ID: 384557
Weight: 15.94ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 63.12
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ID: 495385
Weight: 6.50ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.90
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ID: 683492
Weight: 5.09ct
Size: 10.3 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 109.94
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ID: 672135
Weight: 4.92ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.81
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ID: 727996
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 636964
Weight: 29.37ct (total)
Size: 20.1 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 105.73
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ID: 683339
Weight: 5.70ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 123.12
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ID: 717971
Weight: 0.07ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.20
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Why Buy Black Gemstones from GemSelect?

FAQs

What types of black gemstones are available?

Our collection includes natural loose black gemstones such as onyx, black spinel, black tourmaline, black sapphire, and obsidian. Each offers unique textures and finishes, ideal for jewelry or collecting.

What shapes can I find for black gemstones?

Black gemstones are available in various shapes, including round, oval, cushion, pear, emerald, and trillion cuts, suitable for diverse design preferences.

What color or finish variations do black gemstones have?

The finishes range from deep jet black and glossy opaque to subtle smoky hues and faintly translucent tones, providing options for different styles.

What is the price range for black gemstones?

Prices start at $5 and go up to $5000, offering both affordable and premium choices to fit any budget.

Are all black gemstones in stock?

Yes, every black gemstone listed is in stock and available for immediate purchase, ensuring quick access for your projects.

Do you offer worldwide shipping for black gemstones?

We provide fast and reliable worldwide shipping, delivering loose black gemstones to customers globally.

Are the black gemstones natural?

All black gemstones at GemSelect are 100% natural, carefully sourced to ensure authenticity and high quality.

Can black gemstones be used for custom jewelry?

Absolutely, our loose black gemstones are perfect for creating custom jewelry pieces like rings, pendants, and earrings, with a variety of shapes and sizes to choose from.

How do I choose the right black gemstone?

Consider the gem’s finish, shape, size, and intended use. Onyx and black spinel are durable for daily wear, while stones like obsidian may be better suited for occasional pieces due to their softer nature.

Are any treatments applied to black gemstones?

Some black gemstones, such as black sapphires or tourmalines, may undergo treatments like heat to enhance color or clarity. Each gem’s description at GemSelect includes transparent treatment information.

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

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

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

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate
Enlarged Gemstone Image