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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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Black Gemstones Price

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ID: 674910
Weight: 17.02ct
Size: 22.6 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.32
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ID: 518704
Weight: 2.87ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.95
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ID: 722386
Weight: 12.67ct
Size: 18.5 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.20
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ID: 668215
Weight: avg. 0.04 ct / each
Size: 2 mm (calibrated)
Clarity: Opaque
Price: $ 16.85
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ID: 681887
Weight: 10.65ct
Size: 15.1 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.90
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ID: 672137
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
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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: 737565
Weight: 1.99ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.94
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ID: 681854
Weight: 0.22ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 126.10
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ID: 667969
Weight: 10.38ct
Size: 15.6 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.28
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ID: 683043
Weight: 0.15ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 85.97
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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: 668904
Weight: 8.67ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.40
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ID: 618041
Weight: 45.67ct
Size: 33.1 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.88
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ID: 668255
Weight: 9.56ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.47
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ID: 734810
Weight: 5.51ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.06
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ID: 378270
Weight: 13.85ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.85
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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: 669759
Weight: 6.69ct
Size: 12.7 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.14
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ID: 630310
Weight: 29.76ct
Size: 23.1 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 157.49
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ID: 737613
Weight: 6.58ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.48
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ID: 673584
Weight: 0.09ct (total)
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.14
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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: 668915
Weight: 9.65ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.58
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ID: 669019
Weight: 0.91ct
Size: 5.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 829.92
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ID: 718116
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 668972
Weight: 15.22ct
Size: 16.8 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.32
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ID: 277570
Weight: 12.75ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 67.32
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ID: 335820
Weight: 14.55ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 96.04
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ID: 645681
Weight: 6.63ct
Size: 16.7 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.78
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ID: 684521
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.51
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ID: 426794
Weight: 9.97ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 46.07
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ID: 688432
Weight: 0.85ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.04
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ID: 736761
Weight: 1.47ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.82
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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: 728130
Weight: 0.03ct
Size: 1.9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 378277
Weight: 13.93ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.16
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ID: 553004
Weight: 6.70ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 35.38
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ID: 737618
Weight: 6.48ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.88
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ID: 702029
Weight: 9.78ct
Size: 15 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 58.68
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ID: 728231
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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ID: 722399
Weight: 8.51ct
Size: 16.8 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.21
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ID: 734975
Weight: 12.09ct (total)
Size: 12.3 x 9.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 60.45
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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: 702035
Weight: 10.66ct
Size: 17.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.96
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ID: 521412
Weight: 44.57ct
Size: 32 x 26.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 224.75
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ID: 426617
Weight: 20.64ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 95.35
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ID: 728000
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 668910
Weight: 9.62ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.54
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ID: 736591
Weight: 23.93ct
Size: 25.4 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.49
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ID: 717973
Weight: 0.09ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 86.40
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ID: 722391
Weight: 13.39ct
Size: 18.3 x 14.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.07
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ID: 701605
Weight: 6.64ct
Size: 13.9 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
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ID: 484103
Weight: 4.10ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.06
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ID: 677916
Weight: avg. 0.13 ct / each
Size: 2.6 x 2.6 mm
Clarity: Opaque
Price: $ 64.17
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ID: 702114
Weight: 4.33ct
Size: 13.5 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.98
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ID: 736364
Weight: 0.10ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.71
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ID: 717969
Weight: 0.08ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.80
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ID: 676866
Weight: 0.05ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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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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Why Buy Black Gemstones from GemSelect?

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 was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

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

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate
Enlarged Gemstone Image