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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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1.20ct Natural Brownish Yellow Color-Change Diaspore, Cushion, VVS-VS, Photo A

1.20ct Natural Brownish Yellow Color-Change Diaspore, Cushion, VVS-VS

Color-Change Diaspore

1.20ct1 pc
$ 48.96
8 x 5 mm (calibrated)
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7.63ctw Natural Swiss Blue Topaz, Marquise, VVS-VS, Photo A

7.63ctw Natural Swiss Blue Topaz, Marquise, VVS-VS

Topaz

7.63ct total2 pcs
$ 58.52
15.1 x 7.1 mm
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27.32ct Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

27.32ct Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

27.32ct1 pc
$ 20.05
30 x 22 mm (calibrated)
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2.78ct Natural Deep Pink Tourmaline, Octagon / Emerald Cut, SI, Photo A

2.78ct Natural Deep Pink Tourmaline, Octagon / Emerald Cut, SI

Tourmaline

2.78ct1 pc
$ 191.05
7 x 7 mm (calibrated)
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0.79ct Natural Very Light Golden-Yellow Color-Change Diaspore, Pear Shape, VVS-VS, Photo A

0.79ct Natural Very Light Golden-Yellow Color-Change Diaspore, Pear Shape, VVS-VS

Color-Change Diaspore

0.79ct1 pc
$ 27.70
9.6 x 4.5 mm
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20.02ct Natural Multicolor Black Opal, Cushion, Opaque, Photo A
Black Opal Product Video (755407)

20.02ct Natural Multicolor Black Opal, Cushion, Opaque

Black Opal

20.02ct1 pc
$ 1,001.00
18 x 18 mm (calibrated)
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2.56ctw Natural Warm White Zircon, Oval, VS, Photo A

2.56ctw Natural Warm White Zircon, Oval, VS

Zircon

2.56ct total2 pcs
$ 15.18
7 x 5 mm (calibrated)
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3.61ctw Natural Multicolor Labradorite, Round, Translucent, Photo A

3.61ctw Natural Multicolor Labradorite, Round, Translucent

Labradorite

3.61ct total2 pcs
$ 7.77
7 mm (calibrated)
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0.96ct Natural Medium Purple Rhodolite Garnet, Oval, VS-SI, Photo A

0.96ct Natural Medium Purple Rhodolite Garnet, Oval, VS-SI

Rhodolite Garnet

0.96ct1 pc
$ 25.50
7 x 5 mm (calibrated)
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4.05ctw Natural White Zircon, Oval, VVS-VS, Photo A

4.05ctw Natural White Zircon, Oval, VVS-VS

Zircon

4.05ct total6 pcs
$ 24.31
6 x 4 mm (calibrated)
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0.93ct Natural Multicolor Mystic Quartz, Pear Shape, VVS, Photo A

0.93ct Natural Multicolor Mystic Quartz, Pear Shape, VVS

Mystic Quartz

0.93ct1 pc
$ 6.48
8 x 6 mm (calibrated)
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4.70ct Natural Hickory Brown Smoky Quartz, Round, VS, Photo A

4.70ct Natural Hickory Brown Smoky Quartz, Round, VS

Smoky Quartz

4.70ct1 pc
$ 7.73
12 mm (calibrated)
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4.32ct Natural Black Star Diopside, Oval, Opaque, Photo A

4.32ct Natural Black Star Diopside, Oval, Opaque

Star Diopside

4.32ct1 pc
$ 21.51
11 x 9 mm (calibrated)
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0.62ct Natural Medium Orange Zircon, Oval, VVS, Photo A

0.62ct Natural Medium Orange Zircon, Oval, VVS

Zircon

0.62ct1 pc
$ 9.26
5.2 x 4 mm
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22.15ct Natural Deep Blue Green Grandidierite, Oval, Translucent, Photo A
Grandidierite Product Video (548260)

22.15ct Natural Deep Blue Green Grandidierite, Oval, Translucent

Grandidierite

22.15ct1 pc
$ 728.03
16.8 x 15.1 mm
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11.10ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

11.10ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

11.10ct1 pc
$ 121.61
16.7 x 14.6 mm
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4.58ct Natural Golden Orange Citrine, Oval, VVS-VS, Photo A

4.58ct Natural Golden Orange Citrine, Oval, VVS-VS

Citrine

4.58ct1 pc
$ 27.50
14 x 10 mm (calibrated)
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2.08ct Natural Shamrock Green Chrysoprase, Oval, Translucent, Photo A

2.08ct Natural Shamrock Green Chrysoprase, Oval, Translucent

Chrysoprase

2.08ct1 pc
$ 17.26
8.7 x 6.6 mm
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1.13ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.13ct Natural Multicolor Opal, Oval, Translucent

Opal

1.13ct1 pc
$ 43.78
9 x 7 mm (calibrated)
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7.91ct Natural Bluish White Rainbow Moonstone, Marquise, Transparent, Photo A

7.91ct Natural Bluish White Rainbow Moonstone, Marquise, Transparent

Rainbow Moonstone

7.91ct1 pc
$ 141.81
23.6 x 7.9 mm
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1.46ct Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.46ct Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.46ct1 pc
$ 4.80
7.4 x 5.6 mm
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0.67ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

0.67ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

0.67ct1 pc
$ 16.68
8 x 6.6 mm
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1.88ct Natural Light Red Ruby, Oval, VS, Photo A

1.88ct Natural Light Red Ruby, Oval, VS

Ruby

1.88ct1 pc
$ 56.17
8 x 6 mm (calibrated)
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4.83ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

4.83ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

4.83ct1 pc
$ 37.14
11.4 x 10.5 mm
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10.30ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.30ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.30ct1 pc
$ 10.26
18 x 13 mm (calibrated)
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1.67ct Natural Bubblegum Pink Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A
Tourmaline Product Video (693530)

1.67ct Natural Bubblegum Pink Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.67ct1 pc
$ 69.31
8.3 x 5.1 mm
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1.07ctw Natural Bluish Green Emerald, Oval, SI, Photo A
Emerald Product Video (412063)

1.07ctw Natural Bluish Green Emerald, Oval, SI

Emerald

1.07ct total4 pcs
$ 390.76
4.8 x 3.8 mm
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3.14ctw Natural Warm Apricot Orange Moonstone, Trillion, Translucent, Photo A

3.14ctw Natural Warm Apricot Orange Moonstone, Trillion, Translucent

Moonstone

3.14ct total2 pcs
$ 6.26
8 x 8 mm (calibrated)
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1.23ct Natural Medium Purple Spinel, Cushion, VS, Photo A

1.23ct Natural Medium Purple Spinel, Cushion, VS

Spinel

1.23ct1 pc
$ 64.68
7 x 7 mm (calibrated)
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12.41ct Natural Mahogany Red Star Garnet, Oval, Opaque, Photo A

12.41ct Natural Mahogany Red Star Garnet, Oval, Opaque

Star Garnet

12.41ct1 pc
$ 12.24
15.6 x 12.6 mm
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3.20ct Natural Golden Orange Citrine, Oval, VS, Photo A

3.20ct Natural Golden Orange Citrine, Oval, VS

Citrine

3.20ct1 pc
$ 21.03
10.9 x 7.8 mm
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15.27ctw Natural Black Spinel, Round, Opaque, Photo A

15.27ctw Natural Black Spinel, Round, Opaque

Spinel

15.27ct total2 pcs
$ 50.19
12 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

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

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

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

Very good. I have made several purchases as a collector over the years, and have never been dissapointed in the selection, process, or delivery.

Posted By Schmoove in August, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate
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