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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
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ID: 668967
Weight: 9.93ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 59.58
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ID: 328312
Weight: 13.95ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 92.08
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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: 702083
Weight: 11.16ct
Size: 23.6 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.96
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ID: 721330
Weight: 4.46ct
Size: 10.5 x 10.5 mm
Clarity: Opaque
Price: $ 5.35
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ID: 645531
Weight: 11.41ct
Size: 14.9 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.41
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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: 672034
Weight: 19.53ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 46.87
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ID: 529579
Weight: 7.26ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 28.75
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ID: 687558
Weight: 2.41ct (total)
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.78
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ID: 677970
Weight: 0.19ct (total)
Size: 2.1 x 2.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 114.00
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ID: 735012
Weight: 2.63ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.78
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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: 484138
Weight: 5.00ct (total)
Size: 9 x 6.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 33.00
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ID: 687498
Weight: 1.58ct
Size: 7 mm (calibrated)
Clarity: Opaque
Price: $ 3.79
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ID: 673647
Weight: 11.82ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 70.92
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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: 633795
Weight: 13.93ct
Size: 20.1 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.05
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ID: 379039
Weight: 17.60ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 69.70
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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: 718107
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
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ID: 737606
Weight: 5.49ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.94
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ID: 685228
Weight: 55.64ct
Size: 22.3 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 238.36
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ID: 684528
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.00
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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: 688345
Weight: 2.78ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.94
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ID: 426505
Weight: 8.24ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.06
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ID: 721328
Weight: 4.40ct
Size: 10.5 x 10.4 mm
Clarity: Opaque
Price: $ 5.28
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ID: 669429
Weight: 8.90ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.68
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ID: 737612
Weight: 6.35ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.10
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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: 681855
Weight: 0.21ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 120.36
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ID: 683339
Weight: 5.70ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 123.12
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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: 548381
Weight: 13.13ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.22
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ID: 678013
Weight: 0.23ct
Size: 2.9 x 2.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 138.00
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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: 688175
Weight: 2.04ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 4.90
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ID: 675210
Weight: 24.45ct
Size: 32.2 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.01
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ID: 737623
Weight: 4.65ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.90
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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: 721795
Weight: 10.05ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.06
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ID: 734708
Weight: 3.60ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.60
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ID: 521209
Weight: 32.32ct
Size: 23.8 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 162.97
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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: 717972
Weight: 0.08ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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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: 529578
Weight: 6.82ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.01
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ID: 521203
Weight: 68.17ct
Size: 36.9 x 32.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 343.74
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ID: 677818
Weight: 0.18ct (total)
Size: 2.2 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 108.00
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ID: 683338
Weight: 5.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 116.64
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ID: 682722
Weight: 5.50ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 132.00
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ID: 737547
Weight: 11.26ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 67.56
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ID: 701604
Weight: 9.61ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.66
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ID: 682793
Weight: 12.65ct
Size: 15.7 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.90
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ID: 518614
Weight: 2.01ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.27
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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: 672438
Weight: 4.24ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Price: $ 10.18
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ID: 548382
Weight: 14.65ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.92
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ID: 688343
Weight: 2.90ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.96
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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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
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Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
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Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

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

Enjoy every moment

Posted By Ferns in October, 2025
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Overall Rating -> 9 star ratings

I love the gems!

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

Awesome

Posted By D in December, 2024
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Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
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Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate
Enlarged Gemstone Image