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Black Gemstones

Explore our collection of natural black gemstones, perfect for bold, elegant, and modern jewelry designs.

Black Gemstones Weight
Black Gemstones Size
Black Gemstones Clarity
Black Gemstones Price

Size Explained

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For Example: 6-7
For Example: 8-9
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Black Black Gemstones
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0.06ct Black Diamond, Round, Opaque

0.06ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 20.53

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10.08ct Black Onyx, Pear Shape, Opaque

10.08ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.04

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6.91ctw Black Spinel, Round, Opaque

6.91ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 26.49

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9.38ct Black Nuummite, Oval, Opaque

9.38ct Black Nuummite, Oval, Opaque

17.3 x 12.3 mm

$ 41.38

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8.51ct Black Tourmaline, Emerald Cut, Opaque

8.51ct Black Tourmaline, Emerald Cut, Opaque

24.7 x 6.8 mm

$ 42.38

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5.60ct Black Tourmaline, Emerald Cut, Opaque

5.60ct Black Tourmaline, Emerald Cut, Opaque

16.7 x 7.6 mm

$ 27.89

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13.87ct Black Tourmaline, Cushion, Opaque

13.87ct Black Tourmaline, Cushion, Opaque

15.1 x 13.6 mm

$ 57.56

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15.22ct Black Tourmaline, Oval, Opaque

15.22ct Black Tourmaline, Oval, Opaque

16.8 x 14.2 mm

$ 75.80

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4.89ct Black Onyx, Cushion, Opaque

4.89ct Black Onyx, Cushion, Opaque

11 x 11 mm (calibrated)

$ 9.74

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25.38ct Black Tourmaline, Emerald Cut, Opaque

25.38ct Black Tourmaline, Emerald Cut, Opaque

19.1 x 13.5 mm

$ 126.39

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9.22ctw Black Spinel, Round, Opaque

9.22ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 35.36

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20.01ct Black Obsidian, Oval, Opaque

20.01ct Black Obsidian, Oval, Opaque

28.8 x 20.3 mm

$ 17.54

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0.11ctw Black Diamond, Round, Opaque

0.11ctw Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 49.85

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0.09ctw Black Diamond, Round, Opaque

0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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21.79ct Black Onyx, Pear Shape, Opaque

21.79ct Black Onyx, Pear Shape, Opaque

25 x 18 mm (calibrated)

$ 21.70

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28.60ct Black Obsidian, Cushion, Opaque

28.60ct Black Obsidian, Cushion, Opaque

27 x 20 mm (calibrated)

$ 31.33

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4.33ct Black Onyx, Heart, Opaque

4.33ct Black Onyx, Heart, Opaque

10 x 10 mm (calibrated)

$ 4.32

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2.11ctw Black Onyx, Round, Opaque

2.11ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.20

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20.25ct Black Nuummite, Oval, Opaque

20.25ct Black Nuummite, Oval, Opaque

21.9 x 15.7 mm

$ 88.94

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11.00ct Black Onyx, Pear Shape, Opaque

11.00ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.96

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25.41ctw Black Spinel, Baguette, Opaque

25.41ctw Black Spinel, Baguette, Opaque

20 x 10.1 mm

$ 75.93

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4.34ct Black Tourmaline, Emerald Cut, Opaque

4.34ct Black Tourmaline, Emerald Cut, Opaque

16.1 x 6.3 mm

$ 21.61

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0.08ctw Black Diamond, Round, Opaque

0.08ctw Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 23.25

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14.55ct Black Nuummite, Oval, Opaque

14.55ct Black Nuummite, Oval, Opaque

16.5 x 13.5 mm

$ 63.29

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Why Buy Black Gemstones from GemSelect?

Natural Black Gemstones

Our black gemstones are 100% natural and carefully selected for their deep color and quality. From classic onyx to rare black spinel, these stones offer timeless appeal for any jewelry project.

Black Gemstones Online

Buy black gemstones online at GemSelect with confidence. We offer a wide range of loose black gems in various shapes, sizes, and price points, all with detailed descriptions and secure worldwide shipping.

Loose Black Gemstones for Jewelry and Collecting

Popular Black Stones

Popular black gemstones include onyx, black spinel, black sapphire, and tourmaline. Each stone offers a unique look, from glossy opaque finishes to brilliant faceted sparkle.

Black Gemstones for Jewelry

Black gemstones are a favorite for modern and classic jewelry. Their neutral color pairs well with any metal, making them ideal for rings, earrings, pendants, and men’s jewelry.

Faceted Black Gems

Faceted black gemstones provide subtle brilliance and depth. These stones are cut to maximize light reflection, offering a refined and polished look for high-end jewelry designs.

Black Cabochon Stones

Black cabochons feature smooth, domed surfaces that highlight the richness of their color. They are perfect for bold statement pieces and vintage-inspired jewelry.

Wholesale Black Gemstones

We offer wholesale black gemstones for jewelers and designers. Purchase in bulk and enjoy competitive pricing on a wide selection of calibrated and free-size stones.

Meaning of Black Gemstones

Black gemstones are often associated with strength, protection, and grounding. They are popular choices for those seeking a bold, elegant look with symbolic meaning.

Learn more about gemstone properties and characteristics on our Gemstone Information Pages.

FAQs

What are the most popular black gemstones?

Popular black gemstones include onyx, black spinel, black sapphire, and black tourmaline. Each offers different durability, brilliance, and price ranges.

Are black gemstones natural?

Yes, many black gemstones are natural. Some may be treated to enhance color, and all treatments are fully disclosed for transparency.

Are black gemstones suitable for everyday jewelry?

Many black gemstones, such as sapphire and spinel, are durable enough for daily wear, while softer stones like onyx are better suited for occasional use.

What metal pairs best with black gemstones?

Black gemstones pair well with all metals, including white gold, yellow gold, rose gold, and silver. The contrast creates a bold and elegant appearance.

Can I buy black gemstones in calibrated sizes?

Yes, we offer calibrated black gemstones in standard sizes, making them ideal for ready-made jewelry settings and consistent designs.

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

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate
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