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Home Gemstones Gemstones By Shape Cabochon Gemstones

Natural Cabochon Gemstones

Browse our collection of natural cabochon gemstones, featuring smooth domed cuts perfect for jewelry and gemstone collecting.

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3.19ct Natural Pinkish Violet Amethyst, Trillion, VS, Photo A

3.19ct Natural Pinkish Violet Amethyst, Trillion, VS

Amethyst

3.19ct1 pc
$ 25.41
10 x 10 mm (calibrated)
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13.90ctw Natural Multicolor Labradorite, Round, Translucent, Photo A

13.90ctw Natural Multicolor Labradorite, Round, Translucent

Labradorite

13.90ct total2 pcs
$ 29.90
13 mm (calibrated)
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2.19ct Natural Salmon Pink Tourmaline, Oval, VS, Photo A
Tourmaline Product Video (389134)

2.19ct Natural Salmon Pink Tourmaline, Oval, VS

Tourmaline

2.19ct1 pc
$ 143.43
8.4 x 7.4 mm
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1.09ct Natural Light Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS-SI, Photo A

1.09ct Natural Light Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS-SI

Color-Change Diaspore

1.09ct1 pc
$ 51.78
7.1 x 5.4 mm
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18.30ct Natural Deep Red Ruby, Oval, Translucent, Photo A

18.30ct Natural Deep Red Ruby, Oval, Translucent

Ruby

18.30ct1 pc
$ 473.90
16 x 12 mm (calibrated)
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1.56ct Natural Light Earthy Yellow Beryl, Cushion, VVS-VS, Photo A

1.56ct Natural Light Earthy Yellow Beryl, Cushion, VVS-VS

Beryl

1.56ct1 pc
$ 37.29
8.8 x 6.6 mm
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0.49ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

0.49ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

0.49ct1 pc
$ 12.20
7 x 5 mm (calibrated)
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3.22ctw Natural White Topaz, Cushion, VVS-VS, Photo A

3.22ctw Natural White Topaz, Cushion, VVS-VS

Topaz

3.22ct total6 pcs
$ 17.64
4.6 x 4.6 mm
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1.80ct Natural Intense Pink Tourmaline, Oval, VS, Photo A
Tourmaline Product Video (747475)

1.80ct Natural Intense Pink Tourmaline, Oval, VS

Tourmaline

1.80ct1 pc
$ 268.92
8.3 x 6.3 mm
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3.25ct Natural Black Star Sapphire, Oval, Opaque, Photo A

3.25ct Natural Black Star Sapphire, Oval, Opaque

Star Sapphire

3.25ct1 pc
$ 48.56
10.6 x 8 mm
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7.98ct Natural Multicolor Ruby in Fuchsite, Marquise, Translucent, Photo A

7.98ct Natural Multicolor Ruby in Fuchsite, Marquise, Translucent

Ruby in Fuchsite

7.98ct1 pc
$ 59.71
26.8 x 12.7 mm
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2.25ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS, Photo A

2.25ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

2.25ct total10 pcs
$ 86.29
5.2 x 3.2 mm
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4.01ct Natural Deep Violet Blue Sapphire, Pear Shape, VS, Photo A
Sapphire Product Video (487098)

4.01ct Natural Deep Violet Blue Sapphire, Pear Shape, VS

Sapphire

4.01ct1 pc
$ 7,302.16
10 x 8.7 mm
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20.38ct Natural Black with Gold Sheen Obsidian, Pear Shape, Opaque, Photo A

20.38ct Natural Black with Gold Sheen Obsidian, Pear Shape, Opaque

Obsidian

20.38ct1 pc
$ 12.69
29.6 x 19.6 mm
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2.99ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

2.99ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

2.99ct1 pc
$ 22.41
10 x 10 mm (calibrated)
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14.85ct Natural Laguna Yellow Quartz, Round, VVS, Photo A

14.85ct Natural Laguna Yellow Quartz, Round, VVS

Quartz

14.85ct1 pc
$ 59.71
18 mm (calibrated)
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1.39ct Natural Medium Yellow Sphene, Oval, Transparent, Photo A

1.39ct Natural Medium Yellow Sphene, Oval, Transparent

Sphene

1.39ct1 pc
$ 6.92
6.8 x 5.9 mm
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0.33ct Natural Medium Grey Cat's Eye Alexandrite, Oval, Opaque, Photo A

0.33ct Natural Medium Grey Cat's Eye Alexandrite, Oval, Opaque

Cat's Eye Alexandrite

0.33ct1 pc
$ 54.78
5 x 3.4 mm
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2.86ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

2.86ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

2.86ct1 pc
$ 22.79
10 x 10 mm (calibrated)
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0.90ct Natural Fire Orange Zircon, Oval, VVS-VS, Photo A

0.90ct Natural Fire Orange Zircon, Oval, VVS-VS

Zircon

0.90ct1 pc
$ 13.45
6 x 4.9 mm
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24.84ct Natural Light Yellow Quartz, Oval, Transparent, Photo A

24.84ct Natural Light Yellow Quartz, Oval, Transparent

Quartz

24.84ct1 pc
$ 20.62
25 x 18 mm (calibrated)
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4.46ct Natural Raspberry Red Star Ruby, Oval, Opaque, Photo A

4.46ct Natural Raspberry Red Star Ruby, Oval, Opaque

Star Ruby

4.46ct1 pc
$ 92.55
11.1 x 7.4 mm
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48.37ct Natural Multicolor Jasper, Oval, Opaque, Photo A

48.37ct Natural Multicolor Jasper, Oval, Opaque

Jasper

48.37ct1 pc
$ 35.51
30.5 x 23.2 mm
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1.98ct Natural Greenish Yellow Sillimanite, Oval, VS, Photo A
Sillimanite Product Video (411422)

1.98ct Natural Greenish Yellow Sillimanite, Oval, VS

Sillimanite

1.98ct1 pc
$ 48.96
9 x 7 mm (calibrated)
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0.65ct Natural Light Gold Beryl, Oval, VS, Photo A

0.65ct Natural Light Gold Beryl, Oval, VS

Beryl

0.65ct1 pc
$ 12.41
7 x 5 mm (calibrated)
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2.91ctw Natural Pale Lime Green Prehnite, Oval, Transparent, Photo A

2.91ctw Natural Pale Lime Green Prehnite, Oval, Transparent

Prehnite

2.91ct total2 pcs
$ 15.94
7.3 x 6.2 mm
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1.94ct Natural Deep Reddish Pink Ruby, Oval, VS, Photo A

1.94ct Natural Deep Reddish Pink Ruby, Oval, VS

Ruby

1.94ct1 pc
$ 106.27
8 x 6 mm (calibrated)
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30.27ct Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

30.27ct Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

30.27ct1 pc
$ 33.17
34.2 x 16.7 mm
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2.49ctw Natural Medium Violet Amethyst, Square, VVS-VS, Photo A

2.49ctw Natural Medium Violet Amethyst, Square, VVS-VS

Amethyst

2.49ct total2 pcs
$ 19.84
6 x 6 mm (calibrated)
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9.01ct Natural Golden Brown Tiger's Eye, Cushion, Opaque, Photo A

9.01ct Natural Golden Brown Tiger's Eye, Cushion, Opaque

Tiger's Eye

9.01ct1 pc
$ 8.97
14 x 12 mm (calibrated)
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0.19ct Natural Light Yellow Green Sapphire, Square, VS, Photo A

0.19ct Natural Light Yellow Green Sapphire, Square, VS

Sapphire

0.19ct1 pc
$ 26.49
3 x 3 mm (calibrated)
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3.02ctw Natural Dijon Yellow Golden Beryl, Oval, VVS-VS, Photo A

3.02ctw Natural Dijon Yellow Golden Beryl, Oval, VVS-VS

Golden Beryl

3.02ct total2 pcs
$ 66.18
9 x 7 mm (calibrated)
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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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate
Enlarged Gemstone Image