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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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64.79Ct Black With Grey Lines Obsidian, Square, Opaque

64.79Ct Black With Grey Lines Obsidian, Square, Opaque

24.6 x 24.3 mm

$ 64.79

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6.61Ct Schorl Tourmaline, Emerald Cut, Opaque

6.61Ct Schorl Tourmaline, Emerald Cut, Opaque

15 x 8.6 mm

$ 39.66

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4.19Ct Black Onyx, Heart, Opaque

4.19Ct Black Onyx, Heart, Opaque

10.4 x 10.3 mm

$ 5.03

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4.94Ct Black Star Diopside, Oval, Opaque

4.94Ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 24.70

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21.70Ct Black With Blue Sparkle Nuummite, Oval, Opaque
Nuummite Product Video (645620)

21.70Ct Black With Blue Sparkle Nuummite, Oval, Opaque

18.5 x 15.9 mm

$ 107.28

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10.21Ct Schorl Tourmaline, Emerald Cut, Opaque

10.21Ct Schorl Tourmaline, Emerald Cut, Opaque

15.8 x 9.4 mm

$ 61.26

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4.82Ct Black Star Sapphire, Oval, Opaque

4.82Ct Black Star Sapphire, Oval, Opaque

11.6 x 8.8 mm

$ 115.68

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9.26Ct Schorl Tourmaline, Emerald Cut, Opaque

9.26Ct Schorl Tourmaline, Emerald Cut, Opaque

15.1 x 9.1 mm

$ 55.56

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0.35Ctw Black Diamond, Square, Opaque
Diamond Product Video (678053)

0.35Ctw Black Diamond, Square, Opaque

2.8 x 2.6 mm

$ 210.00

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20.02Ct Black With Gold Sheen Obsidian, Pear Shape, Opaque

20.02Ct Black With Gold Sheen Obsidian, Pear Shape, Opaque

26.4 x 18.7 mm

$ 18.02

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13.80Ct Black With Blue Sparkle Nuummite, Oval, Opaque

13.80Ct Black With Blue Sparkle Nuummite, Oval, Opaque

21.4 x 14.8 mm

$ 73.36

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6.74Ctw Black Spinel, Round, Opaque

6.74Ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 35.59

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2.61Ct Black Star Diopside, Oval, Opaque

2.61Ct Black Star Diopside, Oval, Opaque

8 x 6 mm (calibrated)

$ 15.66

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12.47Ctw Black Spinel, Oval, Opaque

12.47Ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 57.60

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27.19Ctw Black Spinel, Fancy, Opaque

27.19Ctw Black Spinel, Fancy, Opaque

18.2 x 11.8 mm

$ 179.46

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18.63Ct Schorl Tourmaline, Oval, Opaque

18.63Ct Schorl Tourmaline, Oval, Opaque

15 x 15 mm (calibrated)

$ 79.81

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19.60Ct Schorl Tourmaline, Oval, Opaque

19.60Ct Schorl Tourmaline, Oval, Opaque

19.8 x 16.5 mm

$ 117.60

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13.02Ct Schorl Tourmaline, Emerald Cut, Opaque

13.02Ct Schorl Tourmaline, Emerald Cut, Opaque

29 x 7.3 mm

$ 78.12

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4.32Ct Black Star Diopside, Oval, Opaque

4.32Ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 25.92

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14.62Ct Schorl Tourmaline, Emerald Cut, Opaque

14.62Ct Schorl Tourmaline, Emerald Cut, Opaque

18.3 x 10.9 mm

$ 87.72

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0.03Ct Black Diamond, Round, Opaque

0.03Ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 12.37

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13.98Ctw Black Spinel, Heart, Opaque

13.98Ctw Black Spinel, Heart, Opaque

12 x 12 mm (calibrated)

$ 92.27

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19.41Ct Black Onyx, Oval, Opaque

19.41Ct Black Onyx, Oval, Opaque

25 x 18 mm (calibrated)

$ 46.58

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0.16Ct Black Diamond, Square, Opaque

0.16Ct Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 96.00

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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 -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate
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