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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
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ID: 683214
Weight: 3.91ct
Size: 9.4 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.46
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ID: 438438
Weight: 14.30ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.63
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ID: 328244
Weight: 12.97ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 85.61
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ID: 682738
Weight: 8.75ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 210.00
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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: 687775
Weight: 1.99ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.78
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ID: 633302
Weight: 9.11ct
Size: 15.1 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.43
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ID: 685619
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 328315
Weight: 13.93ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 91.94
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ID: 692843
Weight: 36.64ct
Size: 42.8 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.19
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ID: 484694
Weight: 2.24ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.78
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ID: 701235
Weight: 16.31ct
Size: 16.6 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.86
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ID: 384190
Weight: 20.30ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 80.39
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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: 669899
Weight: 4.31ct
Size: 10.4 x 10.3 mm
Clarity: Opaque
Price: $ 5.17
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ID: 604680
Weight: 27.63ct
Size: 33 x 21.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.17
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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: 426848
Weight: 14.11ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 65.18
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ID: 626944
Weight: 23.04ct
Size: 23.6 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.74
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ID: 728171
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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ID: 683493
Weight: 5.17ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 111.67
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ID: 685500
Weight: 15.29ct
Size: 16 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.51
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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: 702343
Weight: avg. 0.07 ct / each
Size: 2.5 mm (calibrated)
Clarity: Opaque
Price: $ 24.14
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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: 701283
Weight: 9.07ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 54.42
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ID: 735008
Weight: 8.87ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 53.22
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ID: 672940
Weight: 4.26ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.22
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ID: 701892
Weight: 6.85ct
Size: 16.6 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.10
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ID: 687492
Weight: 1.59ct
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.82
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ID: 721551
Weight: 8.82ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.58
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ID: 688460
Weight: 2.43ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.83
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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: 701952
Weight: 10.29ct
Size: 14.4 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.74
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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: 685598
Weight: 0.09ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 683402
Weight: 4.91ct
Size: 9.8 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.06
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ID: 521413
Weight: 26.97ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 136.00
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ID: 668228
Weight: 6.08ct
Size: 16.2 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.48
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ID: 426798
Weight: 9.47ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 43.76
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ID: 495385
Weight: 6.50ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.90
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ID: 678293
Weight: 4.08ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 73.44
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ID: 669633
Weight: 19.60ct
Size: 19.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.60
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ID: 683375
Weight: 4.45ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 96.12
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ID: 678126
Weight: 0.35ct
Size: 3.3 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 210.00
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ID: 347704
Weight: 16.77ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 88.55
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ID: 685507
Weight: 13.20ct
Size: 16.2 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.12
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ID: 682523
Weight: 8.99ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 53.94
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ID: 688433
Weight: 0.99ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Price: $ 1.98
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ID: 678055
Weight: 0.40ct
Size: 3.7 x 3.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 240.00
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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: 426670
Weight: 12.20ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.36
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ID: 683047
Weight: 0.14ct
Size: 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.24
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ID: 721609
Weight: 10.11ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.11
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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: 672131
Weight: 4.56ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 10.94
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ID: 384558
Weight: 21.70ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 85.93
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ID: 630312
Weight: 20.28ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 107.32
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ID: 548385
Weight: 11.50ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 43.12
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ID: 630770
Weight: 11.12ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 58.85
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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 enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
Source: Bizrate

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 -> 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

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 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

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've made several purchases through GemSelect in the past, although not within the last six months. Their gems are always beautiful and I have never had an issue with their prices or their stones. Even when I'm not buying, I love scrolling through their website, which is very user friendly. I especially appreciate being able to change the listing order to your own liking, such as most to least expensive, largest to smallest, etc. As with most online orders, however, I think the shipping charges are not commensurate with the actual weight of the items shipped.

Posted By DrLHS in November, 2024
Source: Bizrate
Enlarged Gemstone Image