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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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2.61ctw Black Onyx, Round, Opaque

2.61ctw Black Onyx, Round, Opaque

7 mm (calibrated)

$ 5.20

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0.18ct Black Diamond, Square, Opaque

0.18ct Black Diamond, Square, Opaque

2.9 x 2.7 mm

$ 89.64

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10.77ct Black Nuummite, Oval, Opaque

10.77ct Black Nuummite, Oval, Opaque

18.8 x 11.6 mm

$ 47.31

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4.05ct Black Star Sapphire, Oval, Opaque

4.05ct Black Star Sapphire, Oval, Opaque

9.6 x 7.1 mm

$ 72.61

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2.58ctw Black Onyx, Round, Opaque

2.58ctw Black Onyx, Round, Opaque

7 mm (calibrated)

$ 5.14

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0.10ctw Black Diamond, Round, Opaque

0.10ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 79.68

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0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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14.55ctw Black Spinel, Cushion, Opaque

14.55ctw Black Spinel, Cushion, Opaque

12 x 10 mm (calibrated)

$ 79.71

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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 16.28

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19.50ct Black Obsidian, Pear Shape, Opaque

19.50ct Black Obsidian, Pear Shape, Opaque

25.8 x 20.7 mm

$ 9.71

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21.42ctw Black Onyx, Pear Shape, Opaque

21.42ctw Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 21.33

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14.18ctw Black Spinel, Round, Opaque

14.18ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 46.60

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0.22ct Black Diamond, Square, Opaque

0.22ct Black Diamond, Square, Opaque

2.9 x 2.8 mm

$ 109.56

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9.05ct Black Tourmaline, Emerald Cut, Opaque

9.05ct Black Tourmaline, Emerald Cut, Opaque

16.8 x 9.7 mm

$ 45.07

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9.49ct Black Tourmaline, Cushion, Opaque

9.49ct Black Tourmaline, Cushion, Opaque

14.3 x 11.4 mm

$ 47.26

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0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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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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0.10ctw Black Diamond, Round, Opaque

0.10ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 29.05

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23.72ct Black Obsidian, Oval, Opaque

23.72ct Black Obsidian, Oval, Opaque

28.3 x 20.5 mm

$ 19.69

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10.40ct Black Onyx, Pear Shape, Opaque

10.40ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.36

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10.29ct Black Tourmaline, Emerald Cut, Opaque

10.29ct Black Tourmaline, Emerald Cut, Opaque

14.4 x 10.6 mm

$ 51.24

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30.96ct Black Snowflake Obsidian, Oval, Opaque

30.96ct Black Snowflake Obsidian, Oval, Opaque

31.5 x 21.2 mm

$ 13.26

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1.09ct Black Diamond, Square, Opaque
Diamond Product Video (677846)

1.09ct Black Diamond, Square, Opaque

4.6 x 4.4 mm

$ 620.95

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7.19ct Black Tourmaline, Oval, Opaque

7.19ct Black Tourmaline, Oval, Opaque

13 x 10.1 mm

$ 35.81

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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

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 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 -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate
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