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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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5.37ctw Natural Very Light Brown Moonstone, Flower Cut, Translucent, Photo A

5.37ctw Natural Very Light Brown Moonstone, Flower Cut, Translucent

Moonstone

5.37ct total4 pcs
$ 23.54
7.6 x 7.4 mm
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1.33ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

1.33ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.33ct1 pc
$ 33.12
12.6 x 3.7 mm
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1.62ctw Natural Deep Orange Zircon, Oval, VVS-VS, Photo A
Zircon Product Video (718468)

1.62ctw Natural Deep Orange Zircon, Oval, VVS-VS

Zircon

1.62ct total2 pcs
$ 40.34
6 x 4 mm (calibrated)
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0.53ct Natural Very Light Royal Purple Pink Sapphire, Oval, VS-SI, Photo A

0.53ct Natural Very Light Royal Purple Pink Sapphire, Oval, VS-SI

Sapphire

0.53ct1 pc
$ 53.47
5.2 x 4.2 mm
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2.39ct Natural Rose Pink Strawberry Quartz, Oval, Transparent, Photo A

2.39ct Natural Rose Pink Strawberry Quartz, Oval, Transparent

Strawberry Quartz

2.39ct1 pc
$ 11.90
9 x 7 mm (calibrated)
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1.26ct Natural Light Yellow Color-Change Diaspore, Octagon / Emerald Cut, VVS-VS, Photo A

1.26ct Natural Light Yellow Color-Change Diaspore, Octagon / Emerald Cut, VVS-VS

Color-Change Diaspore

1.26ct1 pc
$ 66.52
11.8 x 3.7 mm
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1.37ct Natural Earthy Green Tourmaline, Octagon / Emerald Cut, VS, Photo A

1.37ct Natural Earthy Green Tourmaline, Octagon / Emerald Cut, VS

Tourmaline

1.37ct1 pc
$ 33.02
15.7 x 3 mm
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0.39ct Natural Deep Red Ruby, Oval, VS, Photo A

0.39ct Natural Deep Red Ruby, Oval, VS

Ruby

0.39ct1 pc
$ 108.76
4.9 x 3.8 mm
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3.27ctw Natural Multicolor Mystic Quartz, Round, VS, Photo A

3.27ctw Natural Multicolor Mystic Quartz, Round, VS

Mystic Quartz

3.27ct total2 pcs
$ 9.77
8 mm (calibrated)
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1.99ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS, Photo A

1.99ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS

Amethyst

1.99ct1 pc
$ 13.08
10 x 7 mm (calibrated)
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18.89ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A
Ammolite Product Video (520857)

18.89ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

18.89ct1 pc
$ 413.92
27.8 x 17.7 mm
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3.01ctw Natural Dark Blue Star Sapphire, Oval, Opaque, Photo A

3.01ctw Natural Dark Blue Star Sapphire, Oval, Opaque

Star Sapphire

3.01ct total4 pcs
$ 65.95
7 x 5 mm (calibrated)
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0.84ct Natural White Cat's Eye Moonstone, Round, Translucent, Photo A

0.84ct Natural White Cat's Eye Moonstone, Round, Translucent

Cat's Eye Moonstone

0.84ct1 pc
$ 12.57
5.2 mm
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8.38ct Natural Medium Dark Green Agate, Oval, Translucent, Photo A

8.38ct Natural Medium Dark Green Agate, Oval, Translucent

Agate

8.38ct1 pc
$ 6.43
13 x 11 mm (calibrated)
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1.68ct Natural Bluish White Rainbow Moonstone, Oval, Transparent, Photo A

1.68ct Natural Bluish White Rainbow Moonstone, Oval, Transparent

Rainbow Moonstone

1.68ct1 pc
$ 55.24
9 x 7 mm (calibrated)
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4.89ct Natural Light Coral Pink Morganite, Oval, Transparent, Photo A

4.89ct Natural Light Coral Pink Morganite, Oval, Transparent

Morganite

4.89ct1 pc
$ 48.70
12.7 x 10 mm
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7.97ctw Natural Multicolor Sapphire, Square, VS, Photo A

7.97ctw Natural Multicolor Sapphire, Square, VS

Sapphire

7.97ct total48 pcs
$ 595.36
2.9 x 2.8 mm
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14.17ct Natural Light Green Opal, Oval, Opaque, Photo A

14.17ct Natural Light Green Opal, Oval, Opaque

Opal

14.17ct1 pc
$ 30.34
17.2 x 13.9 mm
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2.45ctw Natural Bluish White Rainbow Moonstone, Oval, Transparent, Photo A

2.45ctw Natural Bluish White Rainbow Moonstone, Oval, Transparent

Rainbow Moonstone

2.45ct total2 pcs
$ 80.54
7.2 x 6.2 mm
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4.72ctw Natural Dark Blue Star Sapphire, Oval, Opaque, Photo A

4.72ctw Natural Dark Blue Star Sapphire, Oval, Opaque

Star Sapphire

4.72ct total4 pcs
$ 93.08
7 x 5 mm (calibrated)
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7.80ctw Natural Multicolor Labradorite, Marquise, Translucent, Photo A

7.80ctw Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

7.80ct total2 pcs
$ 17.25
14 x 7 mm (calibrated)
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1.33ct Natural Medium Red Ruby, Oval, VS, Photo A

1.33ct Natural Medium Red Ruby, Oval, VS

Ruby

1.33ct1 pc
$ 132.47
7.2 x 5.2 mm
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1.62ct Natural Multicolor Pietersite, Oval, Opaque, Photo A

1.62ct Natural Multicolor Pietersite, Oval, Opaque

Pietersite

1.62ct1 pc
$ 3.83
10 x 7 mm (calibrated)
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18.54ct Natural Medium Violet Amethyst, Cushion, VVS, Photo A

18.54ct Natural Medium Violet Amethyst, Cushion, VVS

Amethyst

18.54ct1 pc
$ 129.26
20 x 15 mm (calibrated)
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7.32ct Natural Multicolor Agate, Round, Opaque, Photo A

7.32ct Natural Multicolor Agate, Round, Opaque

Agate

7.32ct1 pc
$ 12.39
11 mm (calibrated)
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4.67ctw Natural Sky Blue Topaz, Round, VS, Photo A

4.67ctw Natural Sky Blue Topaz, Round, VS

Topaz

4.67ct total2 pcs
$ 35.81
8 mm (calibrated)
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1.34ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.34ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.34ct total2 pcs
$ 44.04
8 x 6 mm (calibrated)
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10.30ct Natural Multicolor Boulder Opal, Oval, Opaque, Photo A

10.30ct Natural Multicolor Boulder Opal, Oval, Opaque

Boulder Opal

10.30ct1 pc
$ 51.29
22.6 x 15.6 mm
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0.91ct Natural Lime Green Sphene, Oval, Transparent, Photo A

0.91ct Natural Lime Green Sphene, Oval, Transparent

Sphene

0.91ct1 pc
$ 4.53
6.1 x 5.4 mm
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2.93ct Natural Yellowish Green Sphene, Oval, Translucent, Photo A

2.93ct Natural Yellowish Green Sphene, Oval, Translucent

Sphene

2.93ct1 pc
$ 16.05
8.3 x 7.6 mm
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5.73ct Natural Medium Golden Citrine, Oval, VVS-VS, Photo A

5.73ct Natural Medium Golden Citrine, Oval, VVS-VS

Citrine

5.73ct1 pc
$ 34.40
14 x 10 mm (calibrated)
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1.55ct Natural White Zircon, Round, VVS-VS, Photo A
Zircon Product Video (369871)

1.55ct Natural White Zircon, Round, VVS-VS

Zircon

1.55ct1 pc
$ 36.77
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 -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate
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