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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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8.01ctw Black Onyx, Oval, Opaque

8.01ctw Black Onyx, Oval, Opaque

13 x 11 mm (calibrated)

$ 15.95

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14.85ctw Black Spinel, Round, Opaque

14.85ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 48.81

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0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.19ct Black Diamond, Square, Opaque

0.19ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 94.62

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16.87ct Black Obsidian, Pear Shape, Opaque

16.87ct Black Obsidian, Pear Shape, Opaque

28.3 x 19 mm

$ 12.60

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0.34ctw Black Diamond, Square, Opaque
Diamond Product Video (678049)

0.34ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 169.32

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0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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9.65ctw Black Onyx, Cushion, Opaque

9.65ctw Black Onyx, Cushion, Opaque

11 x 11 mm (calibrated)

$ 9.61

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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 13.57

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12.08ct Black Tourmaline, Oval, Opaque

12.08ct Black Tourmaline, Oval, Opaque

16.7 x 13.7 mm

$ 60.16

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1.96ctw Black Onyx, Round, Opaque

1.96ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 3.90

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5.96ct Black Cat'S Eye Scapolite, Oval, Opaque

5.96ct Black Cat'S Eye Scapolite, Oval, Opaque

11.9 x 8.9 mm

$ 29.68

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4.14ct Black Onyx, Heart, Opaque

4.14ct Black Onyx, Heart, Opaque

10.4 x 10.4 mm

$ 4.13

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2.31ctw Black Onyx, Round, Opaque

2.31ctw Black Onyx, Round, Opaque

6.5 mm (calibrated)

$ 4.60

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0.22ct Black Diamond, Round, Opaque

0.22ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 104.66

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5.71ct Black Star Diopside, Oval, Opaque

5.71ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 28.44

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0.17ctw Black Diamond, Square, Opaque

0.17ctw Black Diamond, Square, Opaque

2.2 x 2.1 mm

$ 84.66

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0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 14.53

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0.09ct Black Diamond, Round, Opaque

0.09ct Black Diamond, Round, Opaque

2.8 mm (calibrated)

$ 30.81

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24.56ctw Black Spinel, Baguette, Opaque

24.56ctw Black Spinel, Baguette, Opaque

17.5 x 8.1 mm

$ 193.19

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10.00ct Black Onyx, Pear Shape, Opaque

10.00ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 9.96

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0.15ctw Black Diamond, Square, Opaque

0.15ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 74.70

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21.70ct Black Nuummite, Oval, Opaque
Nuummite Product Video (645620)

21.70ct Black Nuummite, Oval, Opaque

18.5 x 15.9 mm

$ 89.04

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13.01ctw Black Spinel, Round, Opaque

13.01ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 40.49

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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

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 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

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate
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