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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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7.90ct Black Star Diopside, Round, Opaque

7.90ct Black Star Diopside, Round, Opaque

11 mm (calibrated)

$ 39.34

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16.43ct Black Onyx, Oval, Opaque

16.43ct Black Onyx, Oval, Opaque

21.9 x 18.7 mm

$ 32.73

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2.93ctw Black Onyx, Round, Opaque

2.93ctw Black Onyx, Round, Opaque

7 mm (calibrated)

$ 5.83

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25.08ctw Black Spinel, Oval, Opaque

25.08ctw Black Spinel, Oval, Opaque

18 x 13 mm (calibrated)

$ 82.43

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8.96ctw Black Spinel, Trillion, Opaque

8.96ctw Black Spinel, Trillion, Opaque

10 x 10 mm (calibrated)

$ 49.09

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11.70ct Black Tourmaline, Cushion, Opaque

11.70ct Black Tourmaline, Cushion, Opaque

14 x 12 mm (calibrated)

$ 34.67

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6.48ct Black Cat'S Eye Scapolite, Round, Translucent

6.48ct Black Cat'S Eye Scapolite, Round, Translucent

11 mm (calibrated)

$ 35.50

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2.13ctw Black Onyx, Round, Opaque

2.13ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.24

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14.70ct Black Nuummite, Cushion, Opaque

14.70ct Black Nuummite, Cushion, Opaque

18 x 13 mm (calibrated)

$ 58.12

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5.51ct Black Star Diopside, Oval, Opaque

5.51ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 27.44

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9.97ct Black Onyx, Pear Shape, Opaque

9.97ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 9.93

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2.82ct Black Star Sapphire, Oval, Opaque

2.82ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 50.56

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17.50ct Black Nuummite, Oval, Opaque

17.50ct Black Nuummite, Oval, Opaque

20 x 15 mm (calibrated)

$ 76.87

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0.23ct Black Diamond, Square, Opaque

0.23ct Black Diamond, Square, Opaque

3 x 3 mm (calibrated)

$ 114.54

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14.75ctw Black Spinel, Cushion, Opaque

14.75ctw Black Spinel, Cushion, Opaque

12 x 10 mm (calibrated)

$ 80.81

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27.93ct Black Snowflake Obsidian, Cushion, Opaque

27.93ct Black Snowflake Obsidian, Cushion, Opaque

27.3 x 23.7 mm

$ 16.42

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13.04ct Black Opal, Marquise, Opaque
Opal Product Video (664567)

13.04ct Black Opal, Marquise, Opaque

29.8 x 13.9 mm

$ 428.60

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4.24ct Black Onyx, Heart, Opaque

4.24ct Black Onyx, Heart, Opaque

10 x 10 mm (calibrated)

$ 4.22

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7.11ctw Black Spinel, Round, Opaque

7.11ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 31.16

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7.87ctw Black Spinel, Round, Opaque

7.87ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 30.17

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9.83ct Black Nuummite, Oval, Opaque

9.83ct Black Nuummite, Oval, Opaque

14 x 12 mm (calibrated)

$ 40.34

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13.47ctw Black Spinel, Round, Opaque

13.47ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 44.27

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20.97ct Black Obsidian, Oval, Opaque

20.97ct Black Obsidian, Oval, Opaque

33.5 x 20.9 mm

$ 15.67

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11.73ct Black Tourmaline, Emerald Cut, Opaque

11.73ct Black Tourmaline, Emerald Cut, Opaque

16.3 x 10.3 mm

$ 58.42

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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

the selection is good as are the prices

Posted By Old man in August, 2025
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Enjoy every moment

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Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
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Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

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Overall Rating -> 9 star ratings

Fast snd easy to find what I was looking for

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Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
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