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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 722357
Weight: 17.51ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 21.01
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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: 668366
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.67
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ID: 426754
Weight: 6.58ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 30.40
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ID: 728225
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.74
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ID: 434101
Weight: 24.86ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.82
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ID: 668352
Weight: 8.59ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.54
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ID: 668012
Weight: 10.04ct
Size: 15.6 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.24
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ID: 718299
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 687656
Weight: 1.96ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.70
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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: 434037
Weight: 34.12ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.04
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ID: 682770
Weight: 1.98ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.64
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ID: 737419
Weight: 2.11ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.66
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ID: 645622
Weight: 17.12ct
Size: 21.5 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.64
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ID: 681986
Weight: 12.21ct
Size: 15.7 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.26
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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: 553594
Weight: 7.96ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.02
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ID: 650094
Weight: 20.43ct
Size: 29.6 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.46
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ID: 645314
Weight: 36.78ct
Size: 33.7 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.07
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ID: 721785
Weight: 11.60ct
Size: 19.4 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.92
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ID: 736768
Weight: 1.41ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.46
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ID: 578050
Weight: 15.68ct
Size: 25 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.04
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ID: 736595
Weight: 38.41ct
Size: 34.7 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.11
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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: 683400
Weight: 4.67ct
Size: 10.7 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.87
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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: 682998
Weight: 9.76ct
Size: 14.4 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.56
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ID: 669678
Weight: 8.38ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.06
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ID: 678051
Weight: 0.29ct (total)
Size: 2.5 x 2.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 174.00
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ID: 687949
Weight: 1.08ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 2.59
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ID: 636955
Weight: 25.49ct (total)
Size: 20.2 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 91.76
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ID: 650096
Weight: 27.42ct
Size: 33 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.42
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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: 668093
Weight: 8.66ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.39
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ID: 685134
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 722142
Weight: 20.03ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.04
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ID: 521414
Weight: 28.28ct
Size: 26.2 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 142.60
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ID: 736766
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.72
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ID: 521049
Weight: 19.25ct
Size: 21.3 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.07
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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: 701743
Weight: 9.45ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 56.70
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ID: 737608
Weight: 7.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 45.84
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ID: 734816
Weight: 5.78ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 34.68
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ID: 673305
Weight: 21.84ct
Size: 22 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.94
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ID: 685234
Weight: 19.45ct
Size: 17.4 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.33
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ID: 688339
Weight: 2.84ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.68
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ID: 671955
Weight: 4.74ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.38
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ID: 674987
Weight: 22.99ct
Size: 28.6 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.69
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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: 682707
Weight: 0.25ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 143.29
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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: 678296
Weight: 5.76ct
Size: 10.4 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 103.68
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ID: 721550
Weight: 8.43ct (total)
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.12
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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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ID: 668695
Weight: 0.52ct
Size: 4.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 499.20
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ID: 687951
Weight: 1.31ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Price: $ 3.14
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ID: 736761
Weight: 1.47ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.82
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ID: 675208
Weight: 20.68ct
Size: 31.4 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.61
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ID: 688435
Weight: 1.20ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Price: $ 2.88
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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

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

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 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 -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 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

easy site to navigate

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

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate
Enlarged Gemstone Image