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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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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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18.56ct Green Cat'S Eye Opal, Oval, Opaque

19.6 x 17.3 mm

$ 46.21

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1.75ct Green Sphene, Oval, Transparent

7.5 x 6.1 mm

$ 8.72

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4.86ct Multicolor Agate, Oval, Translucent

9.6 x 9.3 mm

$ 9.68

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2.06ctw Black Onyx, Round, Opaque

6.5 mm (calibrated)

$ 4.10

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1.04ctw Violet Amethyst, Cushion, Transparent

5 x 5 mm (calibrated)

$ 7.25

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4.00ct Multicolor Opal Triplet, Fancy, Opaque

13.8 x 11 mm

$ 99.60

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0.95ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 28.39

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19.25ct Multicolor Ammolite, Fancy, Opaque

19.6 x 18.6 mm

$ 210.90

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1.40ct Multicolor Pietersite, Marquise, Opaque

18 x 5 mm

$ 3.39

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0.78ct Green Emerald, Oval, Translucent

6.7 x 5.2 mm

$ 54.38

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32.69ct Multicolor Jasper, Pear Shape, Opaque

30.2 x 25.9 mm

$ 20.41

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9.67ct Green Jadeite, Oval, Translucent

16.4 x 12.6 mm

$ 21.18

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6.32ct Yellow Cat'S Eye Opal, Oval, Opaque

14 x 12 mm (calibrated)

$ 18.88

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8.67ct Multicolor Agate, Round, Opaque

12 mm (calibrated)

$ 14.68

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59.91ct Multicolor Ruby-Zoisite, Oval, Opaque

34.2 x 23 mm

$ 98.46

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3.18ctw Green Prehnite, Oval, Transparent

7.5 x 5.8 mm

$ 17.42

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13.15ct Multicolor Cinnabar, Pear Shape, Opaque

24.5 x 16.2 mm

$ 15.39

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25.77ct Multicolor Quartz With Marcasite, Oval, Transparent

24 x 17.8 mm

$ 169.40

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8.16ct Multicolor Pietersite, Oval, Opaque

23 x 12.9 mm

$ 27.09

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12.27ct Brown Tiger'S Eye, Baguette, Opaque

18 x 13 mm (calibrated)

$ 12.22

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6.35ctw White Moonstone, Round, Translucent

9 mm (calibrated)

$ 17.39

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10.20ct Multicolor Opal Triplet, Fancy, Opaque

22.6 x 13 mm

$ 253.98

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17.52ct Violet Charoite, Cushion, Opaque

16 x 16 mm (calibrated)

$ 28.97

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18.34ct White Howlite, Pear Shape, Opaque

22.9 x 21.2 mm

$ 9.13

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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

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
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Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
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Easy process.

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Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

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Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

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Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
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