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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 626941
Weight: 14.14ct
Size: 16 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.10
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ID: 728227
Weight: 0.09ct
Size: 2.8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.12
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ID: 735014
Weight: 4.42ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.52
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ID: 701311
Weight: 16.64ct
Size: 15.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.84
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ID: 378631
Weight: 8.89ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.21
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ID: 668694
Weight: 0.55ct
Size: 4.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 528.00
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ID: 426557
Weight: 9.51ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 43.93
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ID: 553595
Weight: 7.42ct (total)
Size: 9.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.18
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ID: 426510
Weight: 9.30ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.97
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ID: 433963
Weight: 28.75ct
Size: 33.4 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.50
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ID: 677119
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.08
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ID: 683064
Weight: 16.21ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 81.05
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ID: 683491
Weight: 4.23ct
Size: 9.4 x 7.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.37
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ID: 722139
Weight: 21.54ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 25.85
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ID: 328308
Weight: 13.93ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 83.58
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ID: 701954
Weight: 6.60ct
Size: 17.5 x 7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.60
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ID: 734706
Weight: 5.02ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.12
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ID: 683537
Weight: 4.06ct
Size: 9.4 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.70
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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: 683565
Weight: 4.23ct
Size: 10.4 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.37
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ID: 678022
Weight: 0.04ct
Size: 2 x 1.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.00
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ID: 674909
Weight: 14.32ct
Size: 24.1 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.89
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ID: 649924
Weight: 27.45ct
Size: 30.4 x 21 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.44
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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: 673305
Weight: 21.84ct
Size: 22 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 117.94
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ID: 734722
Weight: 4.97ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 29.82
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ID: 684432
Weight: avg. 0.15 ct / each
Size: 3.3 mm
Clarity: Opaque
Price: $ 0.45
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ID: 673470
Weight: 7.40ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.40
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ID: 721541
Weight: 8.67ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 8.67
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ID: 737423
Weight: 5.90ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.40
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ID: 669583
Weight: 9.49ct
Size: 14.3 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.94
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ID: 734991
Weight: 3.55ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.75
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ID: 668414
Weight: 28.01ct
Size: 31.4 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 168.06
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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: 727905
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 737596
Weight: 7.08ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.48
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ID: 677915
Weight: avg. 0.09 ct / each
Size: 2.2 x 2.1 mm
Clarity: Opaque
Price: $ 43.33
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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: 702113
Weight: 10.29ct
Size: 19.8 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.74
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ID: 737365
Weight: 9.33ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 55.98
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ID: 682792
Weight: 6.38ct
Size: 12.9 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.28
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ID: 645486
Weight: 9.83ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.60
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ID: 328313
Weight: 14.00ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.40
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ID: 683372
Weight: 5.94ct
Size: 11 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 128.30
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ID: 645618
Weight: 14.23ct
Size: 18 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.36
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ID: 681846
Weight: 7.58ct
Size: 12.6 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.48
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ID: 727844
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 669131
Weight: 4.24ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 5.09
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ID: 701753
Weight: 7.43ct
Size: 16 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 44.58
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ID: 686810
Weight: 3.03ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.27
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ID: 718174
Weight: 0.04ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.40
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ID: 722394
Weight: 4.35ct
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.22
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ID: 683341
Weight: 3.28ct
Size: 12.1 x 7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.85
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ID: 426925
Weight: 8.55ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.50
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ID: 685134
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 737565
Weight: 1.99ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.94
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ID: 677975
Weight: 0.31ct (total)
Size: 2.7 x 2.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 186.00
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ID: 722406
Weight: 10.50ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.60
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ID: 728223
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.12
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ID: 668365
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.67
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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

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 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 -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate
Enlarged Gemstone Image