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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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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: 667972
Weight: 5.50ct
Size: 11.2 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.00
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ID: 426708
Weight: 9.58ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 44.26
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ID: 673468
Weight: 8.05ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.30
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ID: 684614
Weight: 22.56ct
Size: 18.9 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.65
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ID: 426750
Weight: 7.24ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.44
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ID: 687836
Weight: 2.74ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.58
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ID: 721787
Weight: 9.60ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.52
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ID: 688342
Weight: 3.14ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.54
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ID: 721551
Weight: 8.82ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.58
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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: 683048
Weight: 0.17ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 97.44
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ID: 669674
Weight: 8.56ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.27
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ID: 668911
Weight: 6.69ct (total)
Size: 9.9 x 9.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.03
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ID: 677846
Weight: 1.09ct
Size: 4.6 x 4.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 748.13
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ID: 682751
Weight: 2.74ct
Size: 8.2 x 6.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 229.32
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ID: 636957
Weight: 25.66ct (total)
Size: 20.1 x 9.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 92.38
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ID: 668824
Weight: 13.06ct
Size: 15.9 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.36
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ID: 677916
Weight: avg. 0.13 ct / each
Size: 2.6 x 2.6 mm
Clarity: Opaque
Price: $ 64.17
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ID: 683541
Weight: 3.88ct
Size: 9.9 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.81
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ID: 728035
Weight: 0.08ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.99
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ID: 727845
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 669669
Weight: 8.31ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 9.97
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ID: 737561
Weight: 1.81ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.86
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ID: 722387
Weight: 5.80ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.80
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ID: 687658
Weight: 2.36ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.66
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ID: 701958
Weight: 6.61ct
Size: 15 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.66
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ID: 734951
Weight: 3.48ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.40
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ID: 718110
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 676936
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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ID: 721549
Weight: 8.54ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.25
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ID: 548376
Weight: 13.01ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 48.78
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ID: 379036
Weight: 17.33ct (total)
Size: 13 x 12.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 68.63
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ID: 668215
Weight: avg. 0.04 ct / each
Size: 2 mm (calibrated)
Clarity: Opaque
Price: $ 16.85
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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: 685503
Weight: 8.62ct
Size: 13.9 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.92
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ID: 685619
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 668412
Weight: 5.75ct
Size: 16.1 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.50
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ID: 736591
Weight: 23.93ct
Size: 25.4 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.49
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ID: 737362
Weight: 1.78ct
Size: 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.68
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ID: 553003
Weight: 7.07ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.33
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ID: 721795
Weight: 10.05ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.06
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ID: 521413
Weight: 26.97ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 136.00
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ID: 553597
Weight: 7.33ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.70
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ID: 668693
Weight: 0.85ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 816.00
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ID: 721611
Weight: 11.14ct
Size: 17.8 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.37
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ID: 701919
Weight: 14.52ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 87.12
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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: 702113
Weight: 10.29ct
Size: 19.8 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.74
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ID: 735009
Weight: 9.92ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 59.52
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ID: 681884
Weight: 7.36ct
Size: 13.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.16
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ID: 737595
Weight: 4.27ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.62
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ID: 438371
Weight: 14.85ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.81
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ID: 379039
Weight: 17.60ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 69.70
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ID: 277583
Weight: 12.81ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.63
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ID: 668337
Weight: 10.74ct
Size: 19.1 x 14.5 mm
Clarity: Opaque
Price: $ 9.89
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ID: 701892
Weight: 6.85ct
Size: 16.6 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.10
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ID: 673579
Weight: avg. 0.02 ct / each
Size: 1.6 mm
Clarity: Opaque
Price: $ 9.78
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ID: 683341
Weight: 3.28ct
Size: 12.1 x 7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.85
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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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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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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
Enlarged Gemstone Image