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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
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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14.41ct Red Star Garnet, Round, Opaque

14.41ct Red Star Garnet, Round, Opaque

13 mm (calibrated)

$ 14.21

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21.81ct Red Ruby, Oval, Translucent
Ruby Product Video (623822)

21.81ct Red Ruby, Oval, Translucent

18.3 x 15.9 mm

$ 521.35

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2.39ctw Green Prehnite, Oval, Transparent

2.39ctw Green Prehnite, Oval, Transparent

7.8 x 5.7 mm

$ 13.10

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8.76ctw Violet Amethyst, Oval, Transparent

8.76ctw Violet Amethyst, Oval, Transparent

11 x 9 mm (calibrated)

$ 34.64

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21.88ct Brown Star Sunstone, Oval, Opaque

21.88ct Brown Star Sunstone, Oval, Opaque

16.6 x 14.7 mm

$ 181.60

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14.52ct Multicolor Fossil Coral, Cushion, Opaque
Fossil Coral Product Video (510938)

14.52ct Multicolor Fossil Coral, Cushion, Opaque

23.4 x 12.6 mm

$ 25.94

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14.54ct Multicolor Boulder Opal, Fancy, Opaque

14.54ct Multicolor Boulder Opal, Fancy, Opaque

20 x 13.5 mm

$ 72.41

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18.98ct Multicolor Ammolite, Fancy, Opaque

18.98ct Multicolor Ammolite, Fancy, Opaque

26.1 x 17.4 mm

$ 207.95

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23.76ct Multicolor Quartz With Marcasite, Fancy, Transparent
Quartz With Marcasite Product Video (521569)

23.76ct Multicolor Quartz With Marcasite, Fancy, Transparent

20.5 x 16.2 mm

$ 156.19

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0.82ct Green Sphene, Oval, Transparent

0.82ct Green Sphene, Oval, Transparent

5.5 x 5.2 mm

$ 4.08

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5.86ct Green Seraphinite, Pear Shape, Opaque

5.86ct Green Seraphinite, Pear Shape, Opaque

14 x 10 mm (calibrated)

$ 9.63

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0.97ct Gray Sillimanite Cat'S Eye, Oval, Translucent

0.97ct Gray Sillimanite Cat'S Eye, Oval, Translucent

7 x 4 mm

$ 2.42

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2.48ctw Multicolor Opal, Oval, Opaque

2.48ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 91.70

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5.92ctw Brown Tiger'S Eye, Oval, Opaque

5.92ctw Brown Tiger'S Eye, Oval, Opaque

10 x 8 mm (calibrated)

$ 5.89

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31.93ct Multicolor Jasper, Baguette, Opaque

31.93ct Multicolor Jasper, Baguette, Opaque

25 x 18 mm (calibrated)

$ 15.75

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7.73ct Multicolor Pietersite, Pear Shape, Opaque

7.73ct Multicolor Pietersite, Pear Shape, Opaque

18.9 x 12.8 mm

$ 25.66

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16.76ct Multicolor Ammolite, Fancy, Opaque

16.76ct Multicolor Ammolite, Fancy, Opaque

29.3 x 13.6 mm

$ 183.62

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2.96ct Multicolor Ammolite, Baguette, Opaque

2.96ct Multicolor Ammolite, Baguette, Opaque

8 x 7.7 mm

$ 58.96

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22.85ct Blue Lapis Lazuli, Cushion, Opaque

22.85ct Blue Lapis Lazuli, Cushion, Opaque

20 x 15 mm (calibrated)

$ 42.81

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6.98ct Multicolor Pietersite, Marquise, Opaque

6.98ct Multicolor Pietersite, Marquise, Opaque

24.2 x 7.6 mm

$ 17.10

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26.75ct Multicolor Lepidolite, Pear Shape, Opaque

26.75ct Multicolor Lepidolite, Pear Shape, Opaque

30.9 x 18.9 mm

$ 13.33

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0.96ct Gray Cat'S Eye Alexandrite, Oval, Opaque

0.96ct Gray Cat'S Eye Alexandrite, Oval, Opaque

6.4 x 4.8 mm

$ 278.88

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0.91ct Green Emerald, Oval, Translucent

0.91ct Green Emerald, Oval, Translucent

6.9 x 5.4 mm

$ 63.45

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36.09ct Green Amazonite, Oval, Opaque

36.09ct Green Amazonite, Oval, Opaque

28.3 x 18.3 mm

$ 28.75

View Gem
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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

Easy and functional

Posted By Dessa 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
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Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate
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