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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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Cabochon Gemstones
Black Cabochon Gemstones
Blue Cabochon Gemstones
Brown 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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26.68ct Orange Moonstone, Round, Translucent

26.68ct Orange Moonstone, Round, Translucent

19 mm (calibrated)

$ 64.03

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2.89ct Yellow Cat's Eye Opal, Oval, Opaque

2.89ct Yellow Cat's Eye Opal, Oval, Opaque

10.5 x 6.9 mm

$ 10.40

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0.62ct Green Cat's Eye Alexandrite, Oval, Opaque

0.62ct Green Cat's Eye Alexandrite, Oval, Opaque

5.1 x 3.6 mm

$ 155.00

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4.75ct Purple Star Ruby, Oval, Opaque

4.75ct Purple Star Ruby, Oval, Opaque

9.7 x 7.5 mm

$ 264.29

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0.99ct Multicolor Opal, Oval, Opaque

0.99ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.20

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2.56ctw Multicolor Labradorite, Marquise, Translucent

2.56ctw Multicolor Labradorite, Marquise, Translucent

10 x 5 mm (calibrated)

$ 6.82

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9.86ct Multicolor Boulder Opal, Oval, Opaque

9.86ct Multicolor Boulder Opal, Oval, Opaque

20.4 x 11.2 mm

$ 59.16

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56.12ct Multicolor Jasper, Pear Shape, Opaque

56.12ct Multicolor Jasper, Pear Shape, Opaque

38.2 x 27.9 mm

$ 33.34

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15.13ct Green Bloodstone, Oval, Opaque

15.13ct Green Bloodstone, Oval, Opaque

17.8 x 14.6 mm

$ 27.24

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4.79ct Green Malachite, Oval, Opaque

4.79ct Green Malachite, Oval, Opaque

12 x 10 mm (calibrated)

$ 5.75

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3.81ct Multicolor Pietersite, Cushion, Opaque

3.81ct Multicolor Pietersite, Cushion, Opaque

11 x 9 mm (calibrated)

$ 10.84

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4.13ct Turquoise Grandidierite, Pear Shape, Translucent
Grandidierite Product Video (603135)

4.13ct Turquoise Grandidierite, Pear Shape, Translucent

12 x 8.6 mm

$ 272.58

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4.06ct Yellow Rutile Quartz, Oval, Transparent

4.06ct Yellow Rutile Quartz, Oval, Transparent

13 x 9 mm (calibrated)

$ 13.40

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4.31ct Multicolor Boulder Opal, Oval, Translucent

4.31ct Multicolor Boulder Opal, Oval, Translucent

15.8 x 10 mm

$ 36.20

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8.01ctw Black Onyx, Oval, Opaque

8.01ctw Black Onyx, Oval, Opaque

13 x 11 mm (calibrated)

$ 19.22

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1.63ct Orange Moonstone, Trillion, Translucent

1.63ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.91

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28.22ctw White Rainbow Moonstone, Round, Transparent
Rainbow Moonstone Product Video (669284)

28.22ctw White Rainbow Moonstone, Round, Transparent

15 mm (calibrated)

$ 507.96

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9.67ct Multicolor Jasper, Oval, Opaque

9.67ct Multicolor Jasper, Oval, Opaque

22.6 x 12.8 mm

$ 9.19

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1.39ct White Sillimanite Cat's Eye, Oval, Transparent

1.39ct White Sillimanite Cat's Eye, Oval, Transparent

7.8 x 4.8 mm

$ 5.23

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29.14ctw Multicolor Fossil Coral, Oval, Opaque

29.14ctw Multicolor Fossil Coral, Oval, Opaque

21.3 x 13 mm

$ 76.16

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0.81ct Green Tourmaline, Oval, Transparent

0.81ct Green Tourmaline, Oval, Transparent

5.6 x 4.8 mm

$ 19.44

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1.04ctw Violet Amethyst, Cushion, Transparent

1.04ctw Violet Amethyst, Cushion, Transparent

5 x 5 mm (calibrated)

$ 8.74

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17.22ct Multicolor Tiger's Eye Matrix, Oval, Opaque

17.22ct Multicolor Tiger's Eye Matrix, Oval, Opaque

19.2 x 13.4 mm

$ 9.50

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25.12ct Multicolor Jasper, Marquise, Opaque

25.12ct Multicolor Jasper, Marquise, Opaque

28.9 x 14 mm

$ 17.18

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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

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

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
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate
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