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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

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18.41ct Black with Blue Sparkle Nuummite, Oval, Opaque

19.9 x 16.4 mm

$ 96.48

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9.70ctw Black Onyx, Cushion, Opaque

11 x 11 mm (calibrated)

$ 11.64

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21.74ct Black with Gold Sheen Obsidian, Oval, Opaque

28.7 x 21.1 mm

$ 22.96

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12.04ctw Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 72.24

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15.28ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 60.50

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0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 15.30

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14.23ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 56.35

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8.70ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.44

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8.01ctw Black Onyx, Oval, Opaque

13 x 11 mm (calibrated)

$ 19.22

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12.07ct Schorl Tourmaline, Oval, Opaque

16.9 x 13.6 mm

$ 72.42

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11.34ct Schorl Tourmaline, Emerald Cut, Opaque

19.2 x 9 mm

$ 68.04

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3.89ct Black Star Sapphire, Oval, Opaque

10.9 x 8.6 mm

$ 93.36

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14.22ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 93.85

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13.97ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 55.32

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9.47ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 11.36

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17.01ct Black Onyx, Pear Shape, Opaque

21.8 x 17.8 mm

$ 20.52

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10.65ct Schorl Tourmaline, Pear Shape, Opaque

15.8 x 11.4 mm

$ 63.90

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0.15ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 85.97

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4.35ct Black Star Sapphire, Oval, Opaque

10.4 x 8.6 mm

$ 93.96

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2.19ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 5.26

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9.83ct Schorl Tourmaline, Cushion, Opaque

15.4 x 12.9 mm

$ 42.11

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28.73ct Black with Blue Sparkle Nuummite, Pear Shape, Opaque

24.9 x 19 mm

$ 113.42

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7.62ct Schorl Tourmaline, Oval, Opaque

13 x 11 mm (calibrated)

$ 45.72

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10.32ct Schorl Tourmaline, Oval, Opaque

14.8 x 11.6 mm

$ 61.92

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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 whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate
Enlarged Gemstone Image