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Black Gemstones | Natural Loose Black Gems for Sale

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ID: 668003
Weight: 18.75ct
Size: 17.6 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.50
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ID: 378272
Weight: 12.95ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 51.29
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ID: 682965
Weight: 7.80ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 187.20
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ID: 673467
Weight: 5.61ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.66
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ID: 548374
Weight: 14.91ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.88
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ID: 681835
Weight: 15.15ct
Size: 15.8 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 90.90
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ID: 681856
Weight: 0.23ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 131.82
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ID: 737599
Weight: 7.23ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.38
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ID: 668335
Weight: 4.78ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 5.74
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ID: 630318
Weight: 21.56ct
Size: 22 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.10
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ID: 728037
Weight: 0.08ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.99
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ID: 734958
Weight: 4.94ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.70
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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: 677972
Weight: 0.16ct (total)
Size: 2.1 x 2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 96.00
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ID: 683561
Weight: 3.50ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.60
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ID: 721792
Weight: 8.11ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.73
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ID: 737557
Weight: 3.64ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.84
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ID: 735000
Weight: 5.32ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.92
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ID: 677843
Weight: 0.98ct
Size: 5 x 5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 672.62
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ID: 722135
Weight: 17.54ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 21.05
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ID: 734705
Weight: 10.31ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 61.86
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ID: 728032
Weight: 0.08ct
Size: 2.6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.99
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ID: 702030
Weight: 6.37ct
Size: 12.9 x 8.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.22
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ID: 383905
Weight: 14.78ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.52
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ID: 718308
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 688185
Weight: 1.96ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.70
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ID: 683145
Weight: 0.19ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 108.90
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ID: 689095
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
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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: 682794
Weight: 6.64ct
Size: 12.8 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
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ID: 372535
Weight: 25.72ct (total)
Size: 17.7 x 8.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 243.77
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ID: 578676
Weight: 17.94ct
Size: 27.7 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.52
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ID: 484773
Weight: 2.15ct
Size: 8.8 x 6.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.20
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ID: 645470
Weight: 34.05ct
Size: 33.7 x 24 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.44
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ID: 678133
Weight: 0.19ct
Size: 2.8 x 2.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.00
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ID: 678134
Weight: 0.22ct
Size: 2.9 x 2.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.00
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ID: 678127
Weight: 0.42ct
Size: 3.8 x 3.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 252.00
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ID: 627830
Weight: 27.22ct
Size: 24 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 142.64
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ID: 277572
Weight: 12.68ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 66.95
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ID: 684619
Weight: 18.63ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 79.81
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ID: 530271
Weight: 7.21ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.55
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ID: 578589
Weight: 16.54ct
Size: 25.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.75
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ID: 672070
Weight: 11.55ct
Size: 15.6 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.75
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ID: 618779
Weight: 44.26ct
Size: 31.5 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.87
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ID: 721786
Weight: 9.91ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.89
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ID: 578058
Weight: 11.74ct
Size: 23.6 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.24
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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: 718449
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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ID: 328309
Weight: 13.48ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 88.97
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ID: 669129
Weight: 4.30ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.16
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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: 687661
Weight: 2.06ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.94
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ID: 669488
Weight: 20.56ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.67
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ID: 685140
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 683005
Weight: 10.46ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 62.76
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ID: 734980
Weight: 12.53ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 62.65
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ID: 334759
Weight: 8.96ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 59.14
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ID: 484104
Weight: 6.48ct
Size: 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.77
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ID: 669573
Weight: 7.95ct
Size: 15.4 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.70
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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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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'm happy.

Posted By Ray in January, 2025
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Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
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Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
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Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
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Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
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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 -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
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Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
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Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate
Enlarged Gemstone Image