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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
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ID: 701956
Weight: 5.66ct
Size: 15.6 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.96
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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: 734814
Weight: 4.60ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.60
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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: 685603
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.34
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ID: 702342
Weight: avg. 0.11 ct / each
Size: 2.9 mm (calibrated)
Clarity: Opaque
Price: $ 37.69
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ID: 672065
Weight: 7.44ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.64
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ID: 634146
Weight: 6.96ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.00
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ID: 669223
Weight: 4.26ct
Size: 10.4 x 10.3 mm
Clarity: Opaque
Price: $ 5.11
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ID: 681984
Weight: 11.68ct
Size: 15.7 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.08
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ID: 277574
Weight: 12.84ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.80
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ID: 673654
Weight: 0.06ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.76
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ID: 727900
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 484102
Weight: 5.12ct
Size: 10 x 9.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 33.79
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ID: 669499
Weight: 24.81ct
Size: 24.4 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.77
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ID: 685498
Weight: 20.28ct
Size: 19.1 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 86.88
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ID: 683374
Weight: 5.51ct
Size: 11.1 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 119.02
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ID: 384197
Weight: 20.90ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 82.76
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ID: 529575
Weight: 6.94ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.48
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ID: 687555
Weight: 2.48ct (total)
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.95
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ID: 728042
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.87
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ID: 626942
Weight: 7.87ct
Size: 19.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.23
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ID: 685231
Weight: 23.92ct
Size: 19 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 102.47
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ID: 672137
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
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ID: 682733
Weight: 6.03ct
Size: 10.9 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 144.72
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ID: 682114
Weight: 8.67ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.35
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ID: 727839
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 683144
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.64
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ID: 734968
Weight: 4.63ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.15
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ID: 672061
Weight: 9.55ct
Size: 14.6 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.30
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ID: 668010
Weight: 18.79ct
Size: 19.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.74
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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: 688724
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
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ID: 681884
Weight: 7.36ct
Size: 13.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.16
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ID: 613893
Weight: 14.01ct
Size: 20 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.48
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ID: 722397
Weight: 10.51ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.61
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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: 668905
Weight: 6.79ct (total)
Size: 9.9 x 9.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 6.79
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ID: 682528
Weight: 12.55ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.30
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ID: 671962
Weight: 4.85ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.64
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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: 683050
Weight: 0.14ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 235.00
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ID: 379042
Weight: 19.39ct (total)
Size: 13.7 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 76.79
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ID: 669675
Weight: 8.57ct (total)
Size: 10.4 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.28
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ID: 669674
Weight: 8.56ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.27
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ID: 682708
Weight: 0.23ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 109.85
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ID: 277582
Weight: 6.05ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.90
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ID: 328239
Weight: 13.12ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 86.59
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ID: 734998
Weight: 5.95ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.75
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ID: 683975
Weight: 11.35ct
Size: 14.4 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 177.06
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ID: 668412
Weight: 5.75ct
Size: 16.1 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.50
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ID: 683225
Weight: 3.62ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 78.19
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ID: 682526
Weight: 28.39ct
Size: 21.7 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 170.34
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ID: 718448
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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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: 378447
Weight: 7.49ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.66
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ID: 578222
Weight: 16.17ct
Size: 24.1 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.03
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ID: 669493
Weight: 27.22ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.66
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ID: 645484
Weight: 9.84ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.65
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ID: 677856
Weight: 0.18ct
Size: 2.9 x 2.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 108.00
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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

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

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

I love gemstones. My father was a jeweler & I used to shop for stones for him.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 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 -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate
Enlarged Gemstone Image