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Black Gemstones | Natural Loose Black Gems for Sale

Black Gemstones Weight
Black Gemstones Size
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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: 688337
Weight: 3.22ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.73
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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: 727905
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
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ID: 683496
Weight: 4.70ct
Size: 9.2 x 8.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.52
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ID: 529577
Weight: 7.04ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.88
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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: 734981
Weight: 8.47ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.35
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ID: 721608
Weight: 9.31ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Price: $ 11.17
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ID: 701743
Weight: 9.45ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 56.70
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ID: 669291
Weight: 26.38ct
Size: 23.1 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.66
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ID: 683378
Weight: 4.05ct
Size: 9.6 x 7.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.48
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ID: 689096
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
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ID: 736760
Weight: 1.59ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.54
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ID: 677860
Weight: 0.32ct
Size: 3.3 x 3.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 192.00
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ID: 688024
Weight: 2.58ct (total)
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 6.19
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ID: 484112
Weight: 2.34ct
Size: 10.6 x 8.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 15.44
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ID: 668695
Weight: 0.52ct
Size: 4.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 499.20
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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: 683539
Weight: 4.70ct
Size: 10.5 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.52
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ID: 701235
Weight: 16.31ct
Size: 16.6 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.86
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ID: 668005
Weight: 25.40ct
Size: 21.2 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 152.40
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ID: 673582
Weight: 0.12ct (total)
Size: 2.3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 65.52
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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: 701307
Weight: 22.18ct
Size: 23.5 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.08
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ID: 618042
Weight: 29.59ct
Size: 26.8 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.44
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ID: 701892
Weight: 6.85ct
Size: 16.6 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.10
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ID: 548390
Weight: 14.33ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 53.72
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ID: 669900
Weight: 4.36ct
Size: 10.5 x 10.3 mm
Clarity: Opaque
Price: $ 5.23
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ID: 701567
Weight: 9.56ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 57.36
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ID: 645481
Weight: 12.87ct
Size: 18.5 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.62
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ID: 687500
Weight: 1.63ct
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.91
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ID: 668227
Weight: 16.98ct
Size: 18 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.88
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ID: 521049
Weight: 19.25ct
Size: 21.3 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.07
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ID: 736598
Weight: 35.65ct
Size: 32.5 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.51
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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: 685229
Weight: 12.57ct
Size: 14.3 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.84
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ID: 578058
Weight: 11.74ct
Size: 23.6 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.24
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ID: 737599
Weight: 7.23ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.38
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ID: 383972
Weight: 8.52ct (total)
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.74
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ID: 685137
Weight: 0.09ct (total)
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.50
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ID: 630312
Weight: 20.28ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 107.32
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ID: 426850
Weight: 12.47ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 57.60
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ID: 737592
Weight: 8.51ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.06
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ID: 668258
Weight: 9.56ct (total)
Size: 11 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 11.47
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ID: 578054
Weight: 18.03ct
Size: 24.1 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.71
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ID: 384192
Weight: 19.65ct (total)
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 77.82
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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: 328315
Weight: 13.93ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 91.94
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ID: 626942
Weight: 7.87ct
Size: 19.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.23
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ID: 701748
Weight: 18.21ct
Size: 20 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 109.26
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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: 683975
Weight: 11.35ct
Size: 14.4 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 177.06
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ID: 673179
Weight: 8.06ct (total)
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.34
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ID: 518705
Weight: 2.34ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.44
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ID: 669408
Weight: 8.83ct
Size: 14.1 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.98
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ID: 734939
Weight: 5.84ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 35.04
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ID: 636955
Weight: 25.49ct (total)
Size: 20.2 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 91.76
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ID: 728228
Weight: 0.10ct
Size: 2.8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.24
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ID: 681981
Weight: 12.70ct
Size: 16 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.20
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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

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

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mmThanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 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
Enlarged Gemstone Image