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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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0.98ct Black Diamond, Square, Opaque

4.9 x 4.7 mm

$ 558.27

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0.19ctw Black Diamond, Square, Opaque

2.1 x 2.1 mm

$ 94.62

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9.16ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 9.12

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11.12ct Black Nuummite, Oval, Opaque

17.4 x 11.7 mm

$ 45.63

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0.22ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 104.66

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5.87ctw Black Star Diopside, Round, Opaque

8 mm (calibrated)

$ 24.36

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6.92ct Black Star Diopside, Oval, Opaque

12 x 10 mm (calibrated)

$ 34.46

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12.28ct Black Tourmaline, Cushion, Opaque

14 x 12 mm (calibrated)

$ 43.67

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5.32ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 26.49

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13.23ct Black Nuummite, Oval, Opaque

18 x 11.4 mm

$ 58.11

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3.08ct Black Cat'S Eye Scapolite, Round, Translucent

8.5 mm (calibrated)

$ 14.06

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2.70ct Black Cat'S Eye Scapolite, Oval, Translucent

8.2 x 7.2 mm

$ 14.79

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0.52ct Black Diamond, Round, Opaque

4.5 mm (calibrated)

$ 414.34

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11.12ct Black Tourmaline, Oval, Opaque

16 x 12 mm (calibrated)

$ 55.38

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4.00ct Black Star Sapphire, Oval, Opaque

10.5 x 8.2 mm

$ 71.71

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9.26ct Black Tourmaline, Emerald Cut, Opaque

15.1 x 9.1 mm

$ 46.11

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4.36ct Black Onyx, Heart, Opaque

10.5 x 10.4 mm

$ 4.34

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15.11ct Black Nuummite, Oval, Opaque

18 x 13 mm (calibrated)

$ 66.67

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0.18ct Black Diamond, Square, Opaque

2.9 x 2.7 mm

$ 89.64

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7.36ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 32.25

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0.24ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 119.52

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0.34ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 169.32

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4.74ct Black Tourmaline, Pear Shape, Opaque

14 x 9 mm (calibrated)

$ 23.61

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6.61ct Black Tourmaline, Emerald Cut, Opaque

15 x 8.6 mm

$ 32.92

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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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 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

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 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
Enlarged Gemstone Image