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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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6.15ct Black Star Diopside, Oval, Opaque

6.15ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 30.63

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0.13ctw Black Diamond, Square, Opaque

0.13ctw Black Diamond, Square, Opaque

2.2 x 2.1 mm

$ 64.74

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3.16ct Black Star Sapphire, Oval, Opaque

3.16ct Black Star Sapphire, Oval, Opaque

9.5 x 6.9 mm

$ 56.66

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11.60ct Black Tourmaline, Oval, Opaque

11.60ct Black Tourmaline, Oval, Opaque

16.7 x 12.7 mm

$ 57.77

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18.41ct Black Nuummite, Oval, Opaque

18.41ct Black Nuummite, Oval, Opaque

19.9 x 16.4 mm

$ 80.08

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4.75ct Black Star Diopside, Oval, Opaque

4.75ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 23.66

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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 24.20

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14.57ctw Black Spinel, Cushion, Opaque

14.57ctw Black Spinel, Cushion, Opaque

12 x 10 mm (calibrated)

$ 79.82

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14.85ctw Black Spinel, Oval, Opaque

14.85ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 48.81

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10.38ct Black Onyx, Pear Shape, Opaque

10.38ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.34

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14.65ctw Black Spinel, Round, Opaque

14.65ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 45.71

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6.90ctw Black Spinel, Round, Opaque

6.90ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 30.24

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13.39ct Black Onyx, Pear Shape, Opaque

13.39ct Black Onyx, Pear Shape, Opaque

18.3 x 14.1 mm

$ 13.34

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3.08ct Black Cat'S Eye Scapolite, Round, Translucent

3.08ct Black Cat'S Eye Scapolite, Round, Translucent

8.5 mm (calibrated)

$ 14.06

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12.55ct Black Tourmaline, Cushion, Opaque

12.55ct Black Tourmaline, Cushion, Opaque

16 x 12 mm (calibrated)

$ 62.50

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33.29ct Black Onyx, Oval, Opaque

33.29ct Black Onyx, Oval, Opaque

23.4 x 21.4 mm

$ 33.16

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7.33ctw Black Spinel, Round, Opaque

7.33ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 32.12

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8.89ctw Black Spinel, Round, Opaque

8.89ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 29.22

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5.70ct Black Star Sapphire, Oval, Opaque

5.70ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 102.19

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0.04ct Black Diamond, Round, Opaque

0.04ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 31.87

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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 17.11

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16.77ctw Black Tourmaline, Oval, Opaque

16.77ctw Black Tourmaline, Oval, Opaque

13.7 x 11 mm

$ 83.51

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18.75ct Black Tourmaline, Oval, Opaque

18.75ct Black Tourmaline, Oval, Opaque

17.6 x 15.2 mm

$ 93.38

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12.96ctw Black Spinel, Round, Opaque

12.96ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 40.33

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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

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 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
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