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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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Black Gemstones Price

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ID: 668451
Weight: 27.92ct
Size: 45.7 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 167.52
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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: 737598
Weight: 8.59ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.54
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ID: 684519
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.51
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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: 636956
Weight: 27.85ct (total)
Size: 20.2 x 10 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 100.26
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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: 736590
Weight: 38.92ct
Size: 29.8 x 20.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.58
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ID: 737610
Weight: 6.01ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.06
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ID: 438375
Weight: 15.39ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 60.95
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ID: 669582
Weight: 10.32ct
Size: 14.8 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.92
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ID: 683168
Weight: 2.45ct
Size: 8.5 x 6.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.92
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ID: 668117
Weight: 28.84ct
Size: 19.9 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 173.04
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ID: 728136
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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ID: 669102
Weight: 8.64ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.37
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ID: 718306
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.40
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ID: 727840
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 734812
Weight: 5.42ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.52
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ID: 672896
Weight: 20.88ct
Size: 22.1 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.75
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ID: 672023
Weight: 19.31ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 46.34
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ID: 677971
Weight: 0.13ct (total)
Size: 2 x 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 78.00
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ID: 734717
Weight: 4.73ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.38
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ID: 673173
Weight: 8.01ct (total)
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.22
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ID: 721338
Weight: 4.33ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.20
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ID: 633689
Weight: 6.95ct
Size: 13.4 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.95
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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: 677853
Weight: 0.29ct
Size: 3.2 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 174.00
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ID: 687946
Weight: 1.03ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Price: $ 2.47
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ID: 685503
Weight: 8.62ct
Size: 13.9 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.92
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ID: 669894
Weight: 4.22ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.06
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ID: 701567
Weight: 9.56ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.36
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ID: 645469
Weight: 23.49ct
Size: 28.2 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.10
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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: 721549
Weight: 8.54ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.25
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ID: 727905
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 677822
Weight: 0.14ct (total)
Size: 2 x 1.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 84.00
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ID: 669296
Weight: 24.74ct
Size: 25.7 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.69
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ID: 426457
Weight: 9.22ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.60
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ID: 683494
Weight: 2.74ct
Size: 8.4 x 7.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.18
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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: 672140
Weight: 4.85ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.64
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ID: 668964
Weight: 8.24ct
Size: 14.3 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.44
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ID: 728232
Weight: 0.06ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.74
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ID: 686808
Weight: 3.10ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.44
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ID: 673652
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.84
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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: 682716
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 668329
Weight: 4.74ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 5.69
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ID: 701755
Weight: 11.34ct
Size: 19.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.04
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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: 669633
Weight: 19.60ct
Size: 19.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.60
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ID: 676930
Weight: 0.04ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.08
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ID: 553009
Weight: 6.63ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.00
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ID: 737549
Weight: 10.11ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 60.66
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ID: 683065
Weight: 21.24ct (total)
Size: 13.4 x 11.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 127.44
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ID: 328242
Weight: 14.37ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 94.85
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ID: 737369
Weight: 9.06ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 54.36
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ID: 548381
Weight: 13.13ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.22
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ID: 524803
Weight: 27.33ct
Size: 36.9 x 21.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 118.69
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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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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 -> 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 -> 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 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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate
Enlarged Gemstone Image