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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
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ID: 677853
Weight: 0.29ct
Size: 3.2 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 174.00
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ID: 426842
Weight: 11.54ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 53.32
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ID: 675200
Weight: 12.77ct
Size: 27.8 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.50
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ID: 681984
Weight: 11.68ct
Size: 15.7 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.08
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ID: 688459
Weight: 2.32ct (total)
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 5.57
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ID: 702076
Weight: 10.23ct
Size: 16.7 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.38
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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: 722393
Weight: 4.35ct
Size: 10.5 x 10.4 mm
Clarity: Opaque
Price: $ 5.22
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ID: 484754
Weight: 1.47ct
Size: 7.3 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.71
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ID: 634136
Weight: 9.38ct
Size: 17.3 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.86
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ID: 426923
Weight: 8.89ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 41.08
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ID: 683536
Weight: 4.35ct
Size: 10.4 x 8.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 93.96
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ID: 674678
Weight: 20.02ct
Size: 26.4 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.02
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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: 727845
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 727999
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
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ID: 676937
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.62
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ID: 701568
Weight: 8.51ct
Size: 24.7 x 6.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.06
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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: 672137
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
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ID: 721547
Weight: 8.66ct (total)
Size: 10.5 x 10.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.39
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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: 669014
Weight: 0.80ct
Size: 5.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 768.00
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ID: 673471
Weight: 11.10ct
Size: 15.2 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.60
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ID: 683696
Weight: 5.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 123.34
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ID: 722405
Weight: 9.38ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.26
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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: 669895
Weight: 4.20ct
Size: 10.4 x 10.3 mm
Clarity: Opaque
Price: $ 5.04
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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: 669132
Weight: 11.43ct
Size: 19.1 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.72
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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: 701919
Weight: 14.52ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 87.12
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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: 736367
Weight: 36.40ct
Size: 23.8 x 23 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.22
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ID: 630772
Weight: 20.25ct
Size: 21.9 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 107.16
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ID: 681884
Weight: 7.36ct
Size: 13.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.16
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ID: 701917
Weight: 23.44ct
Size: 20.8 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 140.64
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ID: 722390
Weight: 9.35ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.22
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ID: 737555
Weight: 8.50ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.00
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ID: 734971
Weight: 4.36ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.80
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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: 728137
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.62
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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: 372536
Weight: 24.87ct (total)
Size: 17.6 x 8.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 98.48
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ID: 672659
Weight: 9.17ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 55.02
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ID: 676929
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.35
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ID: 722389
Weight: 9.50ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.40
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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: 683220
Weight: 3.50ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.60
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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: 672649
Weight: 27.51ct
Size: 38.1 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 165.06
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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: 552999
Weight: 7.50ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 39.60
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ID: 734987
Weight: 4.25ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.25
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ID: 672229
Weight: 4.70ct
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Price: $ 11.28
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ID: 668964
Weight: 8.24ct
Size: 14.3 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.44
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ID: 524802
Weight: 28.73ct
Size: 24.9 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 113.42
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ID: 618036
Weight: 32.04ct
Size: 30 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.06
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ID: 734963
Weight: 2.74ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.70
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ID: 682999
Weight: 9.78ct
Size: 13.3 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 58.68
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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

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 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 -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 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

very good

Posted By Son Gift in January, 2025
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 -> 10 star ratings

Great experience. I can't wait to explore on the website further.

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