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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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2.43ctw Black Onyx, Round, Opaque

2.43ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.84

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4.10ct Black Cat'S Eye Scapolite, Oval, Opaque

4.10ct Black Cat'S Eye Scapolite, Oval, Opaque

11 x 9 mm (calibrated)

$ 22.46

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4.61ct Black Star Diopside, Oval, Opaque

4.61ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 19.13

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2.45ct Black Star Sapphire, Oval, Opaque

2.45ct Black Star Sapphire, Oval, Opaque

8.5 x 6.2 mm

$ 43.92

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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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3.50ct Black Star Sapphire, Oval, Opaque

3.50ct Black Star Sapphire, Oval, Opaque

9 x 7 mm (calibrated)

$ 52.29

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4.26ct Black Star Sapphire, Oval, Opaque

4.26ct Black Star Sapphire, Oval, Opaque

10.7 x 8.3 mm

$ 63.64

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12.75ctw Black Pietersite, Oval, Opaque

12.75ctw Black Pietersite, Oval, Opaque

14 x 10 mm (calibrated)

$ 55.88

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0.07ct Black Diamond, Round, Opaque
Diamond Product Video (702343)

0.07ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 20.04

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5.50ct Black Tourmaline, Oval, Opaque

5.50ct Black Tourmaline, Oval, Opaque

11.2 x 10.2 mm

$ 27.39

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3.30ct Black Onyx, Trillion, Opaque

3.30ct Black Onyx, Trillion, Opaque

9.9 x 9.4 mm

$ 3.29

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0.14ct Black Diamond, Square, Opaque

0.14ct Black Diamond, Square, Opaque

2.5 x 2.3 mm

$ 69.72

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1.84ctw Black Onyx, Round, Opaque

1.84ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 3.67

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10.21ct Black Tourmaline, Emerald Cut, Opaque

10.21ct Black Tourmaline, Emerald Cut, Opaque

15.8 x 9.4 mm

$ 50.85

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8.52ctw Black Spinel, Round, Opaque

8.52ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 28.00

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26.89ct Black Onyx, Pear Shape, Opaque

26.89ct Black Onyx, Pear Shape, Opaque

30.2 x 20.5 mm

$ 26.78

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4.45ct Black Star Sapphire, Oval, Opaque

4.45ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 79.78

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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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11.25ct Black Onyx, Pear Shape, Opaque

11.25ct Black Onyx, Pear Shape, Opaque

20 x 15 mm (calibrated)

$ 22.41

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11.74ct Black Obsidian, Pear Shape, Opaque

11.74ct Black Obsidian, Pear Shape, Opaque

23.8 x 17.8 mm

$ 8.77

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66.26ct Black Nuummite, Round, Opaque
Nuummite Product Video (521051)

66.26ct Black Nuummite, Round, Opaque

28.5 mm

$ 277.30

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10.23ct Black Tourmaline, Emerald Cut, Opaque

10.23ct Black Tourmaline, Emerald Cut, Opaque

14 x 11.1 mm

$ 50.95

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5.81ct Black Star Sapphire, Oval, Opaque
Star Sapphire Product Video (683335)

5.81ct Black Star Sapphire, Oval, Opaque

10.4 x 8.2 mm

$ 104.17

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28.85ct Black Snowflake Obsidian, Oval, Opaque
Snowflake Obsidian Product Video (650099)

28.85ct Black Snowflake Obsidian, Oval, Opaque

29 x 20.2 mm

$ 16.95

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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

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 -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate
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