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Home › Gemstones › Gemstones By Color › Black Gemstones

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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16.98ct Black Tourmaline, Oval, Opaque

16.98ct Black Tourmaline, Oval, Opaque

18 x 15.1 mm

$ 84.56

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20.17ct Black Obsidian, Pear Shape, Opaque

20.17ct Black Obsidian, Pear Shape, Opaque

22.4 x 19.9 mm

$ 15.07

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4.92ct Black Star Diopside, Oval, Opaque

4.92ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 24.50

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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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12.24ctw Black Star Diopside, Oval, Opaque

12.24ctw Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 50.80

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4.19ct Black Onyx, Heart, Opaque

4.19ct Black Onyx, Heart, Opaque

10.4 x 10.3 mm

$ 4.17

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8.59ct Black Star Diopside, Round, Opaque

8.59ct Black Star Diopside, Round, Opaque

11 mm (calibrated)

$ 42.78

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0.02ct Black Diamond, Round, Opaque

0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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5.70ct Black Star Diopside, Oval, Opaque

5.70ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 23.66

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8.63ctw Black Spinel, Round, Opaque

8.63ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 33.08

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12.81ctw Black Pietersite, Oval, Opaque

12.81ctw Black Pietersite, Oval, Opaque

14 x 10 mm (calibrated)

$ 56.13

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15.48ct Black Star Sapphire, Oval, Opaque

15.48ct Black Star Sapphire, Oval, Opaque

13.9 x 13.4 mm

$ 200.44

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3.03ctw Black Onyx, Round, Opaque

3.03ctw Black Onyx, Round, Opaque

7 mm (calibrated)

$ 6.03

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9.72ct Black Tourmaline, Emerald Cut, Opaque

9.72ct Black Tourmaline, Emerald Cut, Opaque

21.1 x 6.9 mm

$ 48.41

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10.96ct Black Tourmaline, Emerald Cut, Opaque

10.96ct Black Tourmaline, Emerald Cut, Opaque

16.6 x 9.3 mm

$ 45.48

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30.67ct Black Snowflake Obsidian, Oval, Opaque

30.67ct Black Snowflake Obsidian, Oval, Opaque

29.7 x 19 mm

$ 18.03

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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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2.13ctw Black Onyx, Round, Opaque

2.13ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.24

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8.80ct Black Onyx, Pear Shape, Opaque

8.80ct Black Onyx, Pear Shape, Opaque

14.8 x 9.2 mm

$ 8.76

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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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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 24.20

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20.28ct Black Nuummite, Oval, Opaque

20.28ct Black Nuummite, Oval, Opaque

20 x 15 mm (calibrated)

$ 89.08

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19.31ct Black Onyx, Oval, Opaque

19.31ct Black Onyx, Oval, Opaque

25 x 18 mm (calibrated)

$ 38.46

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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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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

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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
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