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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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1.87ct Medium Dark-Brown Tiger's Eye Gemstones, Round, Opaque

1.87ct Medium Dark-Brown Tiger's Eye, Round, Opaque

8 mm (calibrated)

$ 2.24

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7.61ctw Medium Violet Amethyst Gemstones, Oval, Transparent

7.61ctw Medium Violet Amethyst, Oval, Transparent

11 x 9 mm (calibrated)

$ 36.26

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1.11ct Very Light Grey Sillimanite Cat's Eye Gemstones, Oval, Transparent

1.11ct Very Light Grey Sillimanite Cat's Eye, Oval, Transparent

6.7 x 5.4 mm

$ 4.22

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10.38ct Light Yellow Star Moonstone Gemstones, Oval, Translucent

10.38ct Light Yellow Star Moonstone, Oval, Translucent

16.2 x 14.1 mm

$ 54.80

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12.67ct White with Black Dendritic Agate Gemstones, Pear Shape, Opaque

12.67ct White with Black Dendritic Agate, Pear Shape, Opaque

17.5 x 16 mm

$ 30.41

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2.47ct Purplish Blue Chalcedony Gemstones, Oval, Transparent

2.47ct Purplish Blue Chalcedony, Oval, Transparent

10 x 8 mm (calibrated)

$ 5.93

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1.38ct Multicolor Opal Gemstones, Oval, Translucent

1.38ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 37.39

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1.03ctw Multicolor Opal Gemstones, Oval, Opaque

1.03ctw Multicolor Opal, Oval, Opaque

7.2 x 5.3 mm

$ 40.79

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25.37ctw Multicolor Fossil Coral Gemstones, Oval, Opaque

25.37ctw Multicolor Fossil Coral, Oval, Opaque

20.7 x 13.2 mm

$ 66.97

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4.76ct Black Onyx Gemstones, Cushion, Opaque

4.76ct Black Onyx, Cushion, Opaque

11 x 11 mm (calibrated)

$ 11.42

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9.85ctw Medium Violet Amethyst Gemstones, Oval, Transparent

9.85ctw Medium Violet Amethyst, Oval, Transparent

12 x 8 mm (calibrated)

$ 65.02

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17.86ct Multicolor Quartz With Marcasite Gemstones, Trillion, Transparent

17.86ct Multicolor Quartz With Marcasite, Trillion, Transparent

20 x 20 mm (calibrated)

$ 117.88

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17.15ctw Multicolor Jasper Gemstones, Fancy, Opaque

17.15ctw Multicolor Jasper, Fancy, Opaque

22 x 12.6 mm

$ 11.74

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7.98ct Medium Gold Rutile Quartz Gemstones, Round, Transparent

7.98ct Medium Gold Rutile Quartz, Round, Transparent

13 mm (calibrated)

$ 26.12

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1.02ct Multicolor Opal Gemstones, Oval, Opaque

1.02ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.72

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13.91ct Multicolor Coral Gemstones, Oval, Translucent

13.91ct Multicolor Coral, Oval, Translucent

23.3 x 17.9 mm

$ 36.72

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23.10ct Dark Red Ruby Gemstones, Oval, Translucent

23.10ct Dark Red Ruby, Oval, Translucent

17.8 x 15 mm

$ 731.81

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3.10ctw Navy Blue Star Sapphire Gemstones, Oval, Opaque

3.10ctw Navy Blue Star Sapphire, Oval, Opaque

7 x 5.3 mm

$ 85.56

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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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20.30ct Black Star Sapphire Gemstones, Oval, Opaque
Star Sapphire Product Video (683973)

20.30ct Black Star Sapphire, Oval, Opaque

16.3 x 13.8 mm

$ 316.68

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5.19ct Brownish Orange Star Moonstone Gemstones, Oval, Translucent
Star Moonstone Product Video (418098)

5.19ct Brownish Orange Star Moonstone, Oval, Translucent

12 x 9.5 mm

$ 27.41

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6.28ct Amber Orange Spessartite Garnet Gemstones, Oval, Translucent

6.28ct Amber Orange Spessartite Garnet, Oval, Translucent

11.6 x 8.4 mm

$ 188.40

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3.48ctw Warm Green Prehnite Gemstones, Oval, Transparent

3.48ctw Warm Green Prehnite, Oval, Transparent

9.2 x 6.5 mm

$ 22.97

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3.29ct Multicolor Opal Triplet Gemstones, Fancy, Opaque

3.29ct Multicolor Opal Triplet, Fancy, Opaque

15.4 x 9.1 mm

$ 98.70

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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 -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
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Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
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Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
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Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
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Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate
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