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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: 8-9
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13.44ct Black Tourmaline, Cushion, Opaque

13.44ct Black Tourmaline, Cushion, Opaque

15.9 x 13.2 mm

$ 47.79

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0.17ct Black Diamond, Round, Opaque

0.17ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 80.88

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4.19ct Black Onyx, Heart, Opaque

4.19ct Black Onyx, Heart, Opaque

10.4 x 10.4 mm

$ 4.17

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0.07ctw Black Diamond, Round, Opaque

0.07ctw Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 20.34

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0.27ctw Black Diamond, Round, Opaque

0.27ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 128.44

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6.64ct Black Tourmaline, Emerald Cut, Opaque

6.64ct Black Tourmaline, Emerald Cut, Opaque

13.9 x 8.2 mm

$ 33.07

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19.38ct Black Obsidian, Pear Shape, Opaque

19.38ct Black Obsidian, Pear Shape, Opaque

24 x 21.2 mm

$ 14.48

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1.48ct Black Onyx, Round, Opaque

1.48ct Black Onyx, Round, Opaque

7 mm (calibrated)

$ 2.95

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3.42ct Black Star Sapphire, Oval, Opaque

3.42ct Black Star Sapphire, Oval, Opaque

10.1 x 7.5 mm

$ 61.31

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8.24ct Black Tourmaline, Oval, Opaque

8.24ct Black Tourmaline, Oval, Opaque

14.3 x 11.3 mm

$ 41.04

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7.02ctw Black Spinel, Round, Opaque

7.02ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 30.77

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2.19ctw Black Onyx, Round, Opaque

2.19ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.37

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13.84ctw Black Spinel, Round, Opaque

13.84ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 45.48

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4.50ct Black Onyx, Heart, Opaque

4.50ct Black Onyx, Heart, Opaque

10.5 x 10.4 mm

$ 4.48

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8.51ctw Black Onyx, Heart, Opaque

8.51ctw Black Onyx, Heart, Opaque

10 x 10 mm (calibrated)

$ 7.06

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21.74ct Black Obsidian, Oval, Opaque

21.74ct Black Obsidian, Oval, Opaque

28.7 x 21.1 mm

$ 19.06

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14.62ctw Black Spinel, Round, Opaque

14.62ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 45.48

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24.74ct Black Onyx, Oval, Opaque

24.74ct Black Onyx, Oval, Opaque

25.7 x 19.6 mm

$ 24.64

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5.17ct Black Star Sapphire, Oval, Opaque

5.17ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 92.69

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8.66ctw Black Onyx, Heart, Opaque

8.66ctw Black Onyx, Heart, Opaque

10.5 x 10.4 mm

$ 8.62

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15.01ctw Black Spinel, Cushion, Opaque

15.01ctw Black Spinel, Cushion, Opaque

12 x 10 mm (calibrated)

$ 82.23

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0.19ctw Black Diamond, Square, Opaque

0.19ctw Black Diamond, Square, Opaque

2.1 x 2.1 mm

$ 94.62

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4.19ct Black Onyx, Heart, Opaque

4.19ct Black Onyx, Heart, Opaque

10.5 x 10.3 mm

$ 4.17

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8.51ct Black Star Diopside, Round, Opaque

8.51ct Black Star Diopside, Round, Opaque

11 mm (calibrated)

$ 42.38

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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

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.

Posted By CLTCJH in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate
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