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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

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For Example: 6-7
For Example: 8-9
Bi-color Cabochon Gemstones
Black Cabochon Gemstones
Blue Cabochon Gemstones
Brown Cabochon Gemstones
Golden Cabochon Gemstones
Gray Cabochon Gemstones
Green Cabochon Gemstones
Multicolor Cabochon Gemstones
Orange Cabochon Gemstones
Pink Cabochon Gemstones
Purple Cabochon Gemstones
Red Cabochon Gemstones
Turquoise Cabochon Gemstones
Violet Cabochon Gemstones
White Cabochon Gemstones
Yellow Cabochon Gemstones
Single
Pairs
Lots
Faceted
Cabochons
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6.91ct Cool Green Amazonite Gemstones, Marquise, Opaque

6.91ct Cool Green Amazonite, Marquise, Opaque

19.5 x 10.2 mm

$ 20.34

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9.08ct Multicolor Coral Gemstones, Oval, Translucent

9.08ct Multicolor Coral, Oval, Translucent

20 x 15 mm (calibrated)

$ 34.16

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0.75ct Light Bumblebee Yellow Tourmaline Gemstones, Round, Transparent

0.75ct Light Bumblebee Yellow Tourmaline, Round, Transparent

5.2 mm

$ 15.17

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1.85ct Black Star Diopside Gemstones, Oval, Transparent

1.85ct Black Star Diopside, Oval, Transparent

8 x 6 mm (calibrated)

$ 11.10

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0.66ct Golden Brown Chocolate Opal Gemstones, Oval, Opaque

0.66ct Golden Brown Chocolate Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 23.76

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2.52ct Multicolor Labradorite Gemstones, Marquise, Translucent

2.52ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 6.71

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6.94ct Multicolor Quartz With Marcasite Gemstones, Trillion, Transparent

6.94ct Multicolor Quartz With Marcasite, Trillion, Transparent

14 x 14 mm (calibrated)

$ 54.96

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15.23ct Multicolor Coral Gemstones, Oval, Translucent

15.23ct Multicolor Coral, Oval, Translucent

25 x 18 mm (calibrated)

$ 40.21

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18.37ct Bluish White Rainbow Moonstone Gemstones, Round, Transparent

18.37ct Bluish White Rainbow Moonstone, Round, Transparent

15 mm (calibrated)

$ 330.66

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3.32ct Purplish Blue Chalcedony Gemstones, Oval, Transparent

3.32ct Purplish Blue Chalcedony, Oval, Transparent

11 x 9 mm (calibrated)

$ 7.97

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26.98ct Bluish White Rainbow Moonstone Gemstones, Oval, Translucent

26.98ct Bluish White Rainbow Moonstone, Oval, Translucent

26.5 x 13.7 mm

$ 26.98

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0.89ct Light Pink Strawberry Quartz Gemstones, Oval, Translucent

0.89ct Light Pink Strawberry Quartz, Oval, Translucent

7.4 x 5.7 mm

$ 12.32

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27.02ct Light Golden-Yellow Quartz Gemstones, Oval, Transparent

27.02ct Light Golden-Yellow Quartz, Oval, Transparent

21.8 x 16.1 mm

$ 42.79

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7.74ctw Medium Violet Amethyst Gemstones, Oval, Transparent

7.74ctw Medium Violet Amethyst, Oval, Transparent

12 x 8 mm (calibrated)

$ 51.08

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50.24ct Multicolor Boulder Opal Gemstones, Oval, Opaque
Boulder Opal Product Video (718507)

50.24ct Multicolor Boulder Opal, Oval, Opaque

32.3 x 24.3 mm

$ 301.44

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1.59ct Black Star Diopside Gemstones, Oval, Opaque

1.59ct Black Star Diopside, Oval, Opaque

8 x 6 mm (calibrated)

$ 9.54

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1.57ctw Earthy Gold Sphene Gemstones, Oval, Transparent

1.57ctw Earthy Gold Sphene, Oval, Transparent

5.7 x 5.3 mm

$ 9.42

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17.49ct Reddish Purple Star Ruby Gemstones, Oval, Translucent

17.49ct Reddish Purple Star Ruby, Oval, Translucent

15.6 x 13.5 mm

$ 230.87

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1.37ct Medium Dark-Pink Tourmaline Gemstones, Oval, Transparent

1.37ct Medium Dark-Pink Tourmaline, Oval, Transparent

8 x 6 mm (calibrated)

$ 28.30

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11.35ct Multicolor Pietersite Gemstones, Oval, Opaque

11.35ct Multicolor Pietersite, Oval, Opaque

27.3 x 12.2 mm

$ 51.62

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2.52ct Purplish Blue Chalcedony Gemstones, Oval, Transparent

2.52ct Purplish Blue Chalcedony, Oval, Transparent

10 x 8 mm (calibrated)

$ 6.05

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2.98ct Purplish Blue Chalcedony Gemstones, Oval, Transparent

2.98ct Purplish Blue Chalcedony, Oval, Transparent

11 x 9 mm (calibrated)

$ 7.15

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1.00ct Pale-Greenish Grey Cat's Eye Alexandrite Gemstones, Oval, Opaque

1.00ct Pale-Greenish Grey Cat's Eye Alexandrite, Oval, Opaque

5.6 x 4.4 mm

$ 250.00

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4.57ct Fire Orange Spessartite Garnet Gemstones, Oval, Transparent

4.57ct Fire Orange Spessartite Garnet, Oval, Transparent

9.2 x 8.4 mm

$ 137.10

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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

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
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

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

Posted By PickyShopper in April, 2026
Source: Bizrate
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