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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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ID: 701955
Weight: 5.97ct
Size: 12.3 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
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ID: 673532
Weight: 14.51ct
Size: 18.8 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.06
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ID: 678019
Weight: 0.32ct
Size: 3.3 x 3.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 160.00
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ID: 620041
Weight: 25.43ct
Size: 24.5 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.15
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ID: 721376
Weight: 9.48ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.38
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ID: 701960
Weight: 3.98ct
Size: 10.9 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.88
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ID: 682108
Weight: 12.68ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 76.08
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ID: 737568
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 8.88
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ID: 681839
Weight: 7.56ct
Size: 11.9 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.36
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ID: 682714
Weight: 0.29ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 138.51
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ID: 669434
Weight: 8.49ct (total)
Size: 10.5 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.19
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ID: 701745
Weight: 10.94ct
Size: 20.3 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.64
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ID: 520170
Weight: 2.05ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.54
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ID: 378365
Weight: 27.88ct (total)
Size: 20.1 x 9.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 110.40
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ID: 737552
Weight: 11.09ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 66.54
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ID: 636964
Weight: 29.37ct (total)
Size: 20.1 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 105.73
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ID: 379045
Weight: 16.97ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.20
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ID: 379041
Weight: 17.48ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 69.22
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ID: 701287
Weight: 7.00ct
Size: 16.2 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
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ID: 669124
Weight: 3.30ct
Size: 9.9 x 9.4 mm
Clarity: Opaque
Price: $ 3.96
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ID: 484130
Weight: 3.75ct
Size: 11.2 x 7.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 24.76
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ID: 668012
Weight: 10.04ct
Size: 15.6 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.24
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ID: 721605
Weight: 9.47ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.36
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ID: 734978
Weight: 13.24ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 66.20
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ID: 378280
Weight: 13.84ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.80
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ID: 736766
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.72
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ID: 686808
Weight: 3.10ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.44
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ID: 613273
Weight: 22.77ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 83.24
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ID: 334764
Weight: 9.42ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 56.52
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ID: 674983
Weight: 20.97ct
Size: 33.5 x 20.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.88
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ID: 435210
Weight: 23.81ct
Size: 27.8 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.43
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ID: 645682
Weight: 11.12ct
Size: 17.4 x 11.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.97
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ID: 384537
Weight: 13.73ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.37
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ID: 681851
Weight: 0.20ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.64
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ID: 521409
Weight: 61.20ct
Size: 44.1 x 31.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 280.54
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ID: 718169
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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ID: 426506
Weight: 9.18ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.41
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ID: 721790
Weight: 10.07ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 12.08
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ID: 673206
Weight: 12.55ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 75.30
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ID: 682753
Weight: 2.26ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.68
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ID: 384310
Weight: 9.54ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 37.78
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ID: 548393
Weight: 14.62ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.80
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ID: 688184
Weight: 2.19ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.26
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ID: 378629
Weight: 9.76ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 38.65
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ID: 718300
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
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ID: 522425
Weight: 24.70ct
Size: 23.6 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 124.55
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ID: 672024
Weight: 19.68ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Price: $ 47.23
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ID: 677864
Weight: 0.07ct
Size: 1.9 x 1.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
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ID: 718209
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.00
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ID: 669643
Weight: 12.07ct
Size: 16.9 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.42
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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: 683052
Weight: 0.13ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 74.51
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ID: 426613
Weight: 22.46ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 103.76
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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: 722131
Weight: 21.42ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 25.70
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ID: 668915
Weight: 9.65ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.58
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ID: 684616
Weight: 15.12ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 64.78
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ID: 672444
Weight: 11.25ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.00
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ID: 737564
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.36
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ID: 669297
Weight: 20.08ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.10
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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 -> 8 star ratings

The website was nice and I bought some gems

Posted By Jay in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate
Enlarged Gemstone Image