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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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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: 267551
Weight: 8.91ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.81
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ID: 377527
Weight: 7.19ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.48
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ID: 722385
Weight: 22.03ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 26.44
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ID: 668444
Weight: 7.55ct
Size: 13 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.30
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ID: 718452
Weight: 0.07ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.20
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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: 681983
Weight: 6.20ct
Size: 12.5 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.00
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ID: 701747
Weight: 7.51ct
Size: 16.6 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.06
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ID: 678056
Weight: 0.21ct
Size: 2.9 x 2.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.00
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ID: 485435
Weight: 38.10ct
Size: 35.8 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.64
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ID: 669106
Weight: 6.48ct (total)
Size: 9.9 x 9.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 7.78
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ID: 717973
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 86.40
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ID: 737363
Weight: 1.49ct
Size: 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.94
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ID: 334758
Weight: 8.89ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.68
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ID: 718448
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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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: 668965
Weight: 10.39ct
Size: 15 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.34
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ID: 484115
Weight: 2.85ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.82
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ID: 728167
Weight: 0.04ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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ID: 721604
Weight: 9.32ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.18
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ID: 702079
Weight: 6.70ct
Size: 13.4 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.20
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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: 379043
Weight: 17.73ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 70.21
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ID: 618036
Weight: 32.04ct
Size: 30 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.06
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ID: 736366
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.06
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ID: 485451
Weight: 37.14ct
Size: 25.8 x 26 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.06
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ID: 683395
Weight: 2.36ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 50.98
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ID: 683375
Weight: 4.45ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 96.12
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ID: 721607
Weight: 10.44ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.53
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ID: 678021
Weight: 0.27ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 162.00
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ID: 699334
Weight: avg. 0.05 ct / each
Size: 2.1 mm (calibrated)
Clarity: Opaque
Price: $ 12.95
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ID: 735014
Weight: 4.42ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.52
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ID: 736763
Weight: 1.85ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.10
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ID: 328312
Weight: 13.95ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.08
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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: 701311
Weight: 16.64ct
Size: 15.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.84
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ID: 529420
Weight: 7.32ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.99
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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: 668115
Weight: 13.62ct
Size: 17.2 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.72
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ID: 727998
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 620041
Weight: 25.43ct
Size: 24.5 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.15
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ID: 721601
Weight: 10.40ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.48
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ID: 683168
Weight: 2.45ct
Size: 8.5 x 6.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.92
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ID: 377594
Weight: 28.79ct (total)
Size: 18.1 x 11.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 162.20
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ID: 687491
Weight: 1.42ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 3.41
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ID: 683050
Weight: 0.14ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 235.00
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ID: 721335
Weight: 4.14ct
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.97
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ID: 683175
Weight: 4.63ct
Size: 10.2 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.01
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ID: 645484
Weight: 9.84ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.65
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ID: 484725
Weight: 2.70ct
Size: 8.2 x 7.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.82
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ID: 681848
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 721794
Weight: 10.32ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.38
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ID: 438492
Weight: 13.75ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.46
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ID: 673470
Weight: 7.40ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.40
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ID: 721610
Weight: 10.30ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.36
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ID: 728188
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 681854
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 683494
Weight: 2.74ct
Size: 8.4 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.18
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ID: 328245
Weight: 14.04ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.66
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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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 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 -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

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 -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate
Enlarged Gemstone Image