X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Natural Cabochon Gemstones

Browse our collection of natural cabochon gemstones, featuring smooth domed cuts perfect for jewelry and gemstone collecting.

Cabochon Gemstones Weight
Cabochon Gemstones Size
Cabochon Gemstones Clarity
Cabochon Gemstones Price
Cabochon Gemstones Treatment

Size Explained

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

5.36ct Multicolor Black Opal, Pear Shape, Opaque

16 x 12 mm (calibrated)

$ 192.96

View Details

2.40ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 95.04

View Details

2.67ctw Multicolor Black Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 105.73

View Details

3.38ct Multicolor Black Opal, Oval, Opaque

12.6 x 10.2 mm

$ 118.64

View Details

0.91ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 30.03

View Details

1.37ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 43.40

View Details

11.33ct Multicolor Black Opal, Marquise, Opaque

29.8 x 10.2 mm

$ 566.50

View Details

2.19ct Multicolor Black Opal, Oval, Opaque

13.7 x 7.5 mm

$ 87.60

View Details

2.13ct Multicolor Black Opal, Oval, Opaque

12.2 x 7.7 mm

$ 85.20

View Details

4.13ct Multicolor Black Opal, Oval, Opaque

12.8 x 10.5 mm

$ 206.50

View Details

1.18ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 38.94

View Details

3.56ct Multicolor Black Opal, Oval, Opaque

13.3 x 9.9 mm

$ 124.96

View Details

2.29ct Multicolor Black Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 91.60

View Details

7.46ct Multicolor Black Opal, Pear Shape, Opaque

16 x 12 mm (calibrated)

$ 373.00

View Details

12.50ct Multicolor Black Opal, Pear Shape, Opaque

22.1 x 13.5 mm

$ 625.00

View Details

8.82ct Multicolor Black Opal, Oval, Opaque

19.3 x 13 mm

$ 317.52

View Details

5.76ct Multicolor Black Opal, Oval, Translucent

15.4 x 11.9 mm

$ 172.80

View Details

2.42ct Multicolor Black Opal, Oval, Transparent

12 x 8 mm (calibrated)

$ 96.80

View Details

4.65ct Multicolor Black Opal, Pear Shape, Translucent

15 x 10 mm (calibrated)

$ 163.22

View Details

3.98ct Multicolor Black Opal, Pear Shape, Opaque

14.7 x 9.1 mm

$ 199.00

View Details

1.74ctw Multicolor Black Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 68.90

View Details

2.37ct Multicolor Black Opal, Oval, Opaque

13.2 x 9.6 mm

$ 83.19

View Details

8.74ct Multicolor Black Opal, Oval, Opaque

19.6 x 12 mm

$ 314.64

View Details

4.60ct Multicolor Black Opal, Cushion, Opaque

16.9 x 9.3 mm

$ 165.60

View Details

Why Buy Cabochon Gemstones from GemSelect?

Natural Cabochon Gemstones

Our natural cabochon gemstones are carefully selected for color, quality and beauty. The smooth domed surface highlights the natural patterns and optical effects of many gems, making cabochons ideal for unique jewelry designs.

Cabochon Gemstones Online

Buy cabochon gemstones online at GemSelect with confidence. We offer a wide selection of loose cabochon gems including opal, moonstone, turquoise, labradorite and many more, all available with secure checkout and worldwide shipping.

Loose Cabochon Gemstones for Jewelry Making

What Are Cabochon Cut Gemstones?

Cabochon cut gemstones feature a polished, rounded top with a flat or slightly domed base instead of facets. This classic gemstone cut is used to emphasize color, transparency, and special optical effects such as star stones, chatoyancy, and color play.

Popular Cabochon Gemstones

Many gemstones are traditionally cut as cabochons. Popular choices include opal cabochons with vibrant color play, moonstone cabochons displaying adularescence, turquoise cabochons prized for their rich color, and star sapphires that show asterism.

Cabochon Stones for Jewelry

Cabochon stones are widely used in rings, pendants, bracelets and earrings. Their smooth surface and bold appearance make them ideal for bezel settings and statement jewelry pieces.

Unique Optical Effects in Cabochon Gems

The cabochon cut is essential for gemstones that display optical phenomena. Star sapphires, star rubies, cat's eye chrysoberyl and many moonstones require the cabochon shape to reveal these special visual effects.

Loose Cabochon Gemstones for Collectors

Loose cabochon gemstones are popular among collectors because they often showcase natural patterns, inclusions, and color zoning that would be hidden in faceted stones. Each gem has its own distinctive appearance.

Choosing the Right Cabochon Gemstone

When selecting a cabochon gemstone, consider color saturation, surface polish, symmetry and dome height. High quality cabochons have even curvature, excellent polish and vibrant natural color.

Learn more about gemstone cuts and shapes on our Gemstone Cutting Information Page.

FAQs

What is a cabochon gemstone?

A cabochon gemstone is a stone that has been polished into a smooth, rounded shape without facets. It typically has a domed top and flat base.

Why are some gemstones cut as cabochons instead of faceted?

Some gemstones display special optical effects or natural patterns that are best shown with a cabochon cut. Others may not be transparent enough for faceting.

Which gemstones are commonly cut as cabochons?

Common cabochon gemstones include opal, turquoise, moonstone, labradorite, chrysoberyl, star sapphire, jade, and many opaque or translucent stones.

Are cabochon gemstones suitable for jewelry?

Yes, cabochon gemstones are widely used in jewelry. Their smooth surface works well with bezel settings and bold jewelry designs.

Can I buy loose cabochon gemstones at GemSelect?

Yes, GemSelect offers a large selection of loose cabochon gemstones in many sizes, colors and gemstone varieties suitable for jewelry making or collecting.

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

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate
Enlarged Gemstone Image