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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 678136
Weight: 0.15ct
Size: 2.6 x 2.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.00
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ID: 682716
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 668696
Weight: 0.59ct
Size: 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 566.40
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ID: 426803
Weight: 9.40ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 43.43
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ID: 721540
Weight: 8.50ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.20
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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: 701517
Weight: 13.41ct
Size: 14.8 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.46
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ID: 676940
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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ID: 520170
Weight: 2.05ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.54
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ID: 672027
Weight: 19.41ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 46.58
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ID: 688175
Weight: 2.04ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.90
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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: 682521
Weight: 13.95ct
Size: 16.3 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.70
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ID: 669295
Weight: 33.29ct
Size: 23.4 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.95
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ID: 378274
Weight: 11.99ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 47.48
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ID: 674668
Weight: 20.17ct
Size: 22.4 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.16
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ID: 728230
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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ID: 374183
Weight: 25.08ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 239.03
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ID: 578213
Weight: 10.44ct
Size: 21.6 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.68
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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: 734950
Weight: 4.62ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.72
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ID: 669132
Weight: 11.43ct
Size: 19.1 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.72
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ID: 328356
Weight: 13.85ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 91.42
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ID: 728162
Weight: 0.12ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 49.49
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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: 683058
Weight: 8.45ct
Size: 12.4 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.70
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ID: 669107
Weight: 8.63ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.36
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ID: 668009
Weight: 8.54ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.24
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ID: 669901
Weight: 4.36ct
Size: 10.5 x 10.4 mm
Clarity: Opaque
Price: $ 5.23
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ID: 721386
Weight: 9.80ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.76
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ID: 682967
Weight: 8.65ct
Size: 12.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 207.60
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ID: 688179
Weight: 1.98ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.75
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ID: 677121
Weight: 0.06ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.54
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ID: 276804
Weight: 26.78ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 70.70
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ID: 676937
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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ID: 277588
Weight: 12.08ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 68.64
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ID: 553602
Weight: 6.90ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 36.43
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ID: 737606
Weight: 5.49ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.94
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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: 672132
Weight: 4.89ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.74
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ID: 728037
Weight: 0.08ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.99
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ID: 688337
Weight: 3.22ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.73
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ID: 718175
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 630420
Weight: 10.77ct
Size: 18.8 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.00
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ID: 484731
Weight: 3.32ct
Size: 9.5 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.91
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ID: 438372
Weight: 15.03ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 59.52
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ID: 685601
Weight: 0.07ct (total)
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.50
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ID: 701563
Weight: 4.28ct
Size: 11.7 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.68
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ID: 736592
Weight: 29.35ct
Size: 28 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.59
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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: 734961
Weight: 1.82ct
Size: 9 x 6.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.10
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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: 734955
Weight: 4.81ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.05
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ID: 721337
Weight: 4.20ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.04
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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: 484103
Weight: 4.10ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.06
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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: 259976
Weight: 19.19ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 151.98
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ID: 634143
Weight: 10.82ct
Size: 16.8 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.52
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ID: 633795
Weight: 13.93ct
Size: 20.1 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.05
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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

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate
Enlarged Gemstone Image