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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
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ID: 687553
Weight: 2.88ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.91
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ID: 633691
Weight: 25.34ct
Size: 20.7 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 134.71
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ID: 722134
Weight: 20.57ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.68
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ID: 727903
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.87
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ID: 734985
Weight: 6.77ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.85
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ID: 701236
Weight: 26.25ct
Size: 17.5 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 157.50
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ID: 669296
Weight: 24.74ct
Size: 25.7 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.69
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ID: 688029
Weight: 2.58ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.19
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ID: 682527
Weight: 11.26ct
Size: 15.8 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.56
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ID: 677823
Weight: 0.15ct (total)
Size: 2 x 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 90.00
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ID: 718207
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.00
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ID: 688177
Weight: 2.20ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.28
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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: 674919
Weight: 19.38ct
Size: 24 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.45
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ID: 677970
Weight: 0.19ct (total)
Size: 2.1 x 2.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 114.00
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ID: 721784
Weight: 9.95ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.94
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ID: 522429
Weight: 24.26ct
Size: 28.3 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 111.20
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ID: 677858
Weight: 0.23ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 138.00
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ID: 668449
Weight: 15.04ct
Size: 20.4 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.24
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ID: 484700
Weight: 2.12ct
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 11.66
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ID: 722356
Weight: 16.58ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.90
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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: 438295
Weight: 25.08ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 99.31
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ID: 669894
Weight: 4.22ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.06
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ID: 728193
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 734977
Weight: 10.35ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 51.75
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ID: 530262
Weight: 6.89ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.29
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ID: 529575
Weight: 6.94ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.48
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ID: 678020
Weight: 0.16ct
Size: 2.7 x 2.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.00
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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: 688024
Weight: 2.58ct (total)
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.19
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ID: 728192
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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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: 438369
Weight: 13.97ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.32
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ID: 627874
Weight: 14.70ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 70.03
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ID: 678123
Weight: 0.22ct
Size: 2.9 x 2.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.00
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ID: 702081
Weight: 8.97ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 53.82
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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: 677969
Weight: 0.12ct (total)
Size: 2 x 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 72.00
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ID: 683000
Weight: 6.12ct
Size: 11.3 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.72
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ID: 669102
Weight: 8.64ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.37
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ID: 734721
Weight: 5.00ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.00
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ID: 736593
Weight: 36.45ct
Size: 23.5 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.26
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ID: 678296
Weight: 5.76ct
Size: 10.4 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 103.68
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ID: 678142
Weight: 0.28ct
Size: 3 x 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 168.00
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ID: 668860
Weight: 4.35ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 12.47
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ID: 678140
Weight: 0.12ct
Size: 2.7 x 2.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.00
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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: 328246
Weight: 13.94ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.00
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ID: 692835
Weight: 36.55ct
Size: 41.9 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.16
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ID: 734984
Weight: 12.00ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 60.00
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ID: 384286
Weight: 22.11ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 87.55
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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: 701921
Weight: 16.28ct
Size: 18.8 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.68
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ID: 687496
Weight: 1.61ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 3.86
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ID: 737551
Weight: 8.06ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.36
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ID: 645481
Weight: 12.87ct
Size: 18.5 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.62
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ID: 687659
Weight: 2.24ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.38
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ID: 685497
Weight: 17.62ct
Size: 17 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.48
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ID: 735002
Weight: 3.33ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.98
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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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 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 for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Its been a long time since Ive made any purchases Im satisfied with the quality.

Posted By Hard Case in December, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate
Enlarged Gemstone Image