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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 645623
Weight: 24.73ct
Size: 19.5 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 122.27
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ID: 683052
Weight: 0.13ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 74.51
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ID: 678121
Weight: 0.17ct
Size: 2.5 x 2.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.00
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ID: 521415
Weight: 38.94ct
Size: 28.4 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 196.36
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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: 518612
Weight: 2.46ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.24
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ID: 520168
Weight: 2.89ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.08
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ID: 328243
Weight: 13.98ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.27
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ID: 426619
Weight: 22.14ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 102.29
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ID: 683059
Weight: 9.22ct
Size: 13.9 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.32
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ID: 669133
Weight: 3.35ct
Size: 9.9 x 9.3 mm
Clarity: Opaque
Price: $ 4.02
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ID: 677861
Weight: 0.07ct
Size: 2 x 1.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
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ID: 484108
Weight: 5.96ct
Size: 11.9 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.76
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ID: 529580
Weight: 7.37ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.18
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ID: 672229
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
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ID: 384237
Weight: 10.13ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 40.12
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ID: 687500
Weight: 1.63ct
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.91
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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: 645314
Weight: 36.78ct
Size: 33.7 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.07
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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: 728191
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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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: 734979
Weight: 12.24ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 61.20
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ID: 717969
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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ID: 672064
Weight: 7.19ct
Size: 13 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.14
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ID: 684799
Weight: 41.19ct
Size: 20.2 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 642.56
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ID: 718203
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.40
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ID: 718211
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 672032
Weight: 19.74ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 47.38
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ID: 701955
Weight: 5.97ct
Size: 12.3 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
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ID: 737601
Weight: 6.07ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.42
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ID: 335821
Weight: 14.57ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 96.17
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ID: 672935
Weight: 4.06ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 9.74
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ID: 604679
Weight: 39.46ct
Size: 37.4 x 23.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.68
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ID: 630317
Weight: 26.45ct
Size: 18.9 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 139.97
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ID: 722402
Weight: 10.99ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.19
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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: 497310
Weight: 2.71ct
Size: 9.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.89
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ID: 718106
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 701922
Weight: 9.05ct
Size: 16.8 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.30
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ID: 682968
Weight: 7.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 183.36
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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: 718112
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 727904
Weight: 0.03ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.31
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ID: 728033
Weight: 0.07ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.87
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ID: 701745
Weight: 10.94ct
Size: 20.3 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.64
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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: 383904
Weight: 14.85ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.81
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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: 701311
Weight: 16.64ct
Size: 15.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.84
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ID: 688344
Weight: 2.89ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.94
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ID: 426927
Weight: 8.61ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.78
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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: 727843
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 674980
Weight: 21.20ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.08
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ID: 627836
Weight: 14.55ct
Size: 16.5 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.25
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ID: 701952
Weight: 10.29ct
Size: 14.4 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.74
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ID: 682730
Weight: 7.12ct
Size: 11.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 170.88
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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: 645682
Weight: 11.12ct
Size: 17.4 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.97
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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

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
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 -> 8 star ratings

great experience

Posted By T in December, 2024
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 -> 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 -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate
Enlarged Gemstone Image