X
Gemstone Search
90,000+ Happy Customers
20+ Years In Business
Call Us Mon–Fri 8am–5pm

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Black Gemstones
Blue
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
Clear All
19.87ct Black Obsidian, Oval, Opaque

19.87ct Black Obsidian, Oval, Opaque

31.2 x 15.9 mm

$ 14.52

View Gem
2.45ct Black Star Diopside, Oval, Opaque

2.45ct Black Star Diopside, Oval, Opaque

8 x 6 mm (calibrated)

$ 12.20

View Gem
27.71ct Black Obsidian, Pear Shape, Opaque

27.71ct Black Obsidian, Pear Shape, Opaque

30 x 22 mm (calibrated)

$ 30.36

View Gem
6.27ct Black Spinel, Round, Opaque

6.27ct Black Spinel, Round, Opaque

12 mm (calibrated)

$ 17.17

View Gem
9.30ctw Black Spinel, Round, Opaque

9.30ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 35.67

View Gem
5.00ct Black Star Diopside, Oval, Opaque

5.00ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 24.90

View Gem
18.03ct Black Obsidian, Trillion, Opaque
Obsidian Product Video (578054)

18.03ct Black Obsidian, Trillion, Opaque

24.1 x 19.9 mm

$ 29.64

View Gem
2.10ctw Black Onyx, Round, Opaque

2.10ctw Black Onyx, Round, Opaque

5.5 mm (calibrated)

$ 4.18

View Gem
0.09ctw Black Diamond, Square, Opaque

0.09ctw Black Diamond, Square, Opaque

1.9 x 1.9 mm

$ 44.82

View Gem
0.12ctw Black Diamond, Square, Opaque

0.12ctw Black Diamond, Square, Opaque

1.9 x 1.8 mm

$ 59.76

View Gem
0.05ct Black Diamond, Round, Opaque

0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 17.11

View Gem
5.15ct Black Tourmaline, Emerald Cut, Opaque

5.15ct Black Tourmaline, Emerald Cut, Opaque

14 x 6.9 mm

$ 25.65

View Gem
15.33ct Black Tourmaline, Oval, Opaque

15.33ct Black Tourmaline, Oval, Opaque

16.8 x 14.2 mm

$ 76.34

View Gem
6.83ct Black Star Sapphire, Oval, Opaque

6.83ct Black Star Sapphire, Oval, Opaque

11.7 x 9.4 mm

$ 136.05

View Gem
13.51ct Black Tourmaline, Oval, Opaque

13.51ct Black Tourmaline, Oval, Opaque

16.7 x 13.7 mm

$ 67.28

View Gem
0.09ctw Black Diamond, Round, Opaque

0.09ctw Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 40.79

View Gem
10.51ct Black Onyx, Pear Shape, Opaque

10.51ct Black Onyx, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 10.47

View Gem
4.70ct Black Onyx, Cushion, Opaque

4.70ct Black Onyx, Cushion, Opaque

11 x 11 mm (calibrated)

$ 9.36

View Gem
27.33ct Black Nuummite, Cushion, Opaque

27.33ct Black Nuummite, Cushion, Opaque

36.9 x 21.9 mm

$ 98.51

View Gem
11.12ct Black Nuummite, Oval, Opaque

11.12ct Black Nuummite, Oval, Opaque

17.4 x 11.7 mm

$ 45.63

View Gem
8.16ct Black Nuummite, Oval, Opaque

8.16ct Black Nuummite, Oval, Opaque

13 x 11 mm (calibrated)

$ 35.50

View Gem
0.12ct Black Diamond, Round, Opaque

0.12ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 41.08

View Gem
4.38ct Black Star Sapphire, Oval, Opaque

4.38ct Black Star Sapphire, Oval, Opaque

10.6 x 8 mm

$ 78.53

View Gem
0.03ct Black Diamond, Round, Opaque

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

View Gem

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

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 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 -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image