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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 668523
Weight: 52.87ct
Size: 39.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 317.22
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ID: 728003
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 438380
Weight: 12.72ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 50.38
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ID: 669019
Weight: 0.91ct
Size: 5.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 829.92
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ID: 734974
Weight: 5.32ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.60
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ID: 669578
Weight: 15.06ct
Size: 16.1 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.36
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ID: 677864
Weight: 0.07ct
Size: 1.9 x 1.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
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ID: 673206
Weight: 12.55ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 75.30
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ID: 377598
Weight: 27.48ct (total)
Size: 18.2 x 11.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 108.82
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ID: 438436
Weight: 14.18ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.15
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ID: 702030
Weight: 6.37ct
Size: 12.9 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.22
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ID: 734999
Weight: 4.91ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.46
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ID: 626945
Weight: 23.53ct
Size: 20.1 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.30
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ID: 736365
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 34.01
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ID: 718305
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.40
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ID: 630318
Weight: 21.56ct
Size: 22 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.10
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ID: 683491
Weight: 4.23ct
Size: 9.4 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.37
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ID: 685593
Weight: 0.08ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.01
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ID: 683372
Weight: 5.94ct
Size: 11 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 128.30
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ID: 521203
Weight: 68.17ct
Size: 36.9 x 32.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 343.74
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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: 683620
Weight: 2.47ct
Size: 8.8 x 6.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.35
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ID: 673202
Weight: 20.06ct
Size: 18.3 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.36
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ID: 721385
Weight: 10.04ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.05
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ID: 524806
Weight: 50.90ct
Size: 33 mm
Clarity: Opaque
Content: 1 pc
Price: $ 221.05
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ID: 426714
Weight: 7.01ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 32.39
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ID: 677910
Weight: avg. 0.03 ct / each
Size: 1.9 mm
Clarity: Opaque
Price: $ 10.08
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ID: 669636
Weight: 11.82ct
Size: 24.3 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.92
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ID: 669675
Weight: 8.57ct (total)
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.28
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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: 433728
Weight: 23.72ct
Size: 28.3 x 20.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.72
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ID: 668969
Weight: 12.08ct
Size: 16.7 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.48
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ID: 728040
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.12
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ID: 721605
Weight: 9.47ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.36
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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: 672028
Weight: 19.29ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 46.30
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ID: 688335
Weight: 2.83ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.79
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ID: 433964
Weight: 35.49ct
Size: 33.4 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.85
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ID: 701751
Weight: 9.26ct
Size: 15.1 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.56
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ID: 669634
Weight: 12.61ct
Size: 16.6 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.66
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ID: 484764
Weight: 2.94ct
Size: 8.2 x 7.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.40
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ID: 630775
Weight: 13.23ct
Size: 18 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.01
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ID: 682692
Weight: 6.52ct
Size: 11.8 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.40
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ID: 683619
Weight: 3.95ct
Size: 9.2 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.32
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ID: 672447
Weight: 12.30ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Price: $ 29.52
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ID: 668249
Weight: 8.54ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.25
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ID: 687498
Weight: 1.58ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 3.79
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ID: 521047
Weight: 27.57ct
Size: 21.4 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 139.02
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ID: 737560
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.36
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ID: 379042
Weight: 19.39ct (total)
Size: 13.7 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 76.79
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ID: 685236
Weight: 17.86ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 76.51
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ID: 735005
Weight: 9.43ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.58
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ID: 681976
Weight: 7.20ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.20
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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: 737611
Weight: 6.78ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.68
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ID: 668404
Weight: 26.09ct
Size: 26.1 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 156.54
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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: 692839
Weight: 32.92ct
Size: 37.8 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.88
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ID: 721541
Weight: 8.67ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.67
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ID: 718472
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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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

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 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

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate
Enlarged Gemstone Image