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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 426514
Weight: 8.64ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.91
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ID: 734997
Weight: 5.13ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.65
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ID: 682712
Weight: 0.27ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 154.75
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ID: 678052
Weight: 0.11ct (total)
Size: 2 x 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 66.00
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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: 668412
Weight: 5.75ct
Size: 16.1 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.50
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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: 677827
Weight: 0.15ct (total)
Size: 2 x 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 90.00
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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: 728230
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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ID: 384189
Weight: 22.02ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 87.20
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ID: 682964
Weight: 5.97ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 143.28
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ID: 734942
Weight: 4.43ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.58
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ID: 701306
Weight: 11.01ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 66.06
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ID: 682735
Weight: 5.12ct
Size: 11.4 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 122.88
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ID: 636289
Weight: 13.46ct
Size: 19.8 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.46
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ID: 728237
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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ID: 548375
Weight: 14.65ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.07
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ID: 682734
Weight: 3.89ct
Size: 10.9 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.36
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ID: 521040
Weight: 40.32ct
Size: 29.8 x 27.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 203.30
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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: 736763
Weight: 1.85ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.10
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ID: 682685
Weight: 6.13ct
Size: 10.2 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 147.12
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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: 685500
Weight: 15.29ct
Size: 16 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.51
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ID: 687777
Weight: 2.12ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.09
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ID: 518613
Weight: 2.18ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.39
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ID: 372540
Weight: 24.56ct (total)
Size: 17.5 x 8.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 232.76
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ID: 688178
Weight: 2.05ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.92
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ID: 734962
Weight: 5.95ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.75
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ID: 668825
Weight: 16.78ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 100.68
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ID: 734818
Weight: 3.46ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.76
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ID: 702035
Weight: 10.66ct
Size: 17.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.96
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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: 734960
Weight: 4.44ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.20
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ID: 627831
Weight: 29.18ct
Size: 24.7 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 152.90
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ID: 604672
Weight: 19.87ct
Size: 31.2 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.49
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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: 681981
Weight: 12.70ct
Size: 16 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.20
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ID: 630775
Weight: 13.23ct
Size: 18 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.01
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ID: 682111
Weight: 11.60ct
Size: 16.7 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.60
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ID: 633042
Weight: 16.43ct
Size: 19.7 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.34
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ID: 672936
Weight: 4.20ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 10.08
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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: 718177
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 645372
Weight: 19.33ct
Size: 21.5 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 95.57
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ID: 721378
Weight: 9.19ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.03
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ID: 702033
Weight: 7.47ct
Size: 16 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.82
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ID: 438497
Weight: 14.23ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.35
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ID: 701746
Weight: 11.38ct
Size: 16 x 9.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.28
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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: 383901
Weight: 14.12ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 46.60
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ID: 438290
Weight: 26.87ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 106.40
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ID: 426792
Weight: 7.45ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 34.43
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ID: 701949
Weight: 10.02ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 60.12
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ID: 718456
Weight: 0.09ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 86.40
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ID: 702343
Weight: avg. 0.07 ct / each
Size: 2.4 mm (calibrated)
Clarity: Opaque
Price: $ 24.14
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ID: 734986
Weight: 5.87ct (total)
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.35
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ID: 522435
Weight: 28.03ct
Size: 30.1 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 141.34
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ID: 721788
Weight: 8.70ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.44
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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 -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
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 always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

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

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate
Enlarged Gemstone Image