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Natural Cabochon Gemstones

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

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1.32ct Natural Multicolor Black Opal, Oval, Translucent, Photo A

1.32ct Natural Multicolor Black Opal, Oval, Translucent

Black Opal

1.32ct1 pc
$ 38.66
11 x 7.2 mm
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19.53ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

19.53ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

19.53ct1 pc
$ 386.70
34.3 x 14.5 mm
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4.79ctw Natural White Zircon, Round, VVS-VS, Photo A

4.79ctw Natural White Zircon, Round, VVS-VS

Zircon

4.79ct total4 pcs
$ 91.49
6 mm (calibrated)
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13.22ct Natural Multicolor Jasper, Oval, Opaque, Photo A

13.22ct Natural Multicolor Jasper, Oval, Opaque

Jasper

13.22ct1 pc
$ 26.17
20 x 15 mm (calibrated)
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0.90ct Natural Multicolor Sapphire, Cushion, VVS-VS, Photo A

0.90ct Natural Multicolor Sapphire, Cushion, VVS-VS

Sapphire

0.90ct1 pc
$ 86.40
5.8 x 4.9 mm
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2.20ct Natural Medium Brown Tiger's Eye, Round, Opaque, Photo A

2.20ct Natural Medium Brown Tiger's Eye, Round, Opaque

Tiger's Eye

2.20ct1 pc
$ 2.64
8 mm (calibrated)
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8.86ct Natural Medium Light Purplish-Violet Amethyst, Oval, Transparent, Photo A

8.86ct Natural Medium Light Purplish-Violet Amethyst, Oval, Transparent

Amethyst

8.86ct1 pc
$ 63.79
14.8 x 11.9 mm
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1.34ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.34ct Natural Multicolor Opal, Oval, Translucent

Opal

1.34ct1 pc
$ 40.73
9 x 7 mm (calibrated)
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0.60ct Natural Navy Blue Sapphire, Cushion, VS, Photo A

0.60ct Natural Navy Blue Sapphire, Cushion, VS

Sapphire

0.60ct1 pc
$ 86.40
5.2 x 4.2 mm
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5.37ctw Natural Sky Blue Topaz, Trillion, VVS-VS, Photo A

5.37ctw Natural Sky Blue Topaz, Trillion, VVS-VS

Topaz

5.37ct total4 pcs
$ 49.62
7 x 7 mm (calibrated)
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2.40ctw Natural Orangish Pink Strawberry Quartz, Round, Transparent, Photo A

2.40ctw Natural Orangish Pink Strawberry Quartz, Round, Transparent

Strawberry Quartz

2.40ct total2 pcs
$ 25.34
7 mm (calibrated)
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0.93ct Natural Medium Light Brown Color-Change Garnet, Cushion, VS, Photo A

0.93ct Natural Medium Light Brown Color-Change Garnet, Cushion, VS

Color-Change Garnet

0.93ct1 pc
$ 89.52
5.6 x 5.5 mm
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1.17ct Natural Deep Mauve Spinel, Cushion, VS-SI, Photo A

1.17ct Natural Deep Mauve Spinel, Cushion, VS-SI

Spinel

1.17ct1 pc
$ 92.10
6.4 x 5.7 mm
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11.91ct Natural Wine Red Ruby, Oval, VS-SI, Photo A

11.91ct Natural Wine Red Ruby, Oval, VS-SI

Ruby

11.91ct1 pc
$ 428.76
14 x 12 mm (calibrated)
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23.81ct Natural Deep Pinkish Violet Amethyst, Octagon / Emerald Cut, VVS, Photo A

23.81ct Natural Deep Pinkish Violet Amethyst, Octagon / Emerald Cut, VVS

Amethyst

23.81ct1 pc
$ 190.48
20 x 15 mm (calibrated)
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2.23ct Natural Olive Green Sphene, Oval, Transparent, Photo A

2.23ct Natural Olive Green Sphene, Oval, Transparent

Sphene

2.23ct1 pc
$ 14.72
8.1 x 7 mm
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4.09ctw Natural Sangria Red Pyrope Garnet, Marquise, VVS-VS, Photo A

4.09ctw Natural Sangria Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

4.09ct total2 pcs
$ 54.14
12.1 x 6 mm
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1.96ctw Natural Golden Citrine, Marquise, VS, Photo A

1.96ctw Natural Golden Citrine, Marquise, VS

Citrine

1.96ct total2 pcs
$ 12.94
9 x 4.9 mm
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22.28ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

22.28ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

22.28ct1 pc
$ 235.27
37.9 x 15.5 mm
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2.02ct Natural Light Lively Green Peridot, Cushion, VS-SI, Photo A

2.02ct Natural Light Lively Green Peridot, Cushion, VS-SI

Peridot

2.02ct1 pc
$ 95.46
8.2 x 7 mm
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1.18ct Natural Multicolor Black Opal, Oval, Opaque, Photo A

1.18ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

1.18ct1 pc
$ 37.38
9 x 7 mm (calibrated)
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22.02ct Natural Multicolor Agate, Round, Opaque, Photo A

22.02ct Natural Multicolor Agate, Round, Opaque

Agate

22.02ct1 pc
$ 25.10
15 mm (calibrated)
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1.32ct Natural Multicolor Pietersite, Pear Shape, Opaque, Photo A

1.32ct Natural Multicolor Pietersite, Pear Shape, Opaque

Pietersite

1.32ct1 pc
$ 3.76
8.8 x 5.4 mm
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1.68ct Natural Watermelon Tourmaline, Cushion, VS, Photo A
Tourmaline Product Video (746960)

1.68ct Natural Watermelon Tourmaline, Cushion, VS

Tourmaline

1.68ct1 pc
$ 235.20
7.1 x 6.2 mm
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2.06ctw Natural Deep Reddish Pink Rubies, Oval, VS, Photo A

2.06ctw Natural Deep Reddish Pink Rubies, Oval, VS

Ruby

2.06ct total2 pcs
$ 247.20
7 x 5 mm (calibrated)
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0.54ct Natural Medium Orange Sapphire, Pear Shape, VS, Photo A

0.54ct Natural Medium Orange Sapphire, Pear Shape, VS

Sapphire

0.54ct1 pc
$ 68.80
6.3 x 4.1 mm
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3.64ctw Natural Dark Brown Smoky Quartz, Round, VS, Photo A

3.64ctw Natural Dark Brown Smoky Quartz, Round, VS

Smoky Quartz

3.64ct total2 pcs
$ 7.21
8 mm (calibrated)
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3.34ctw Natural Currant Red Pyrope Garnet, Pear Shape, VS, Photo A

3.34ctw Natural Currant Red Pyrope Garnet, Pear Shape, VS

Pyrope Garnet

3.34ct total4 pcs
$ 30.86
7 x 5 mm (calibrated)
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2.90ct Natural Multicolor Opal Triplet, Oval, Opaque, Photo A

2.90ct Natural Multicolor Opal Triplet, Oval, Opaque

Opal Triplet

2.90ct1 pc
$ 87.00
12 x 10 mm (calibrated)
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1.27ct Natural Light Purple Spinel, Cushion, VVS, Photo A

1.27ct Natural Light Purple Spinel, Cushion, VVS

Spinel

1.27ct1 pc
$ 96.56
6.7 x 6.3 mm
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11.23ct Natural Multicolor Boulder Opal, Fancy, Opaque, Photo A

11.23ct Natural Multicolor Boulder Opal, Fancy, Opaque

Boulder Opal

11.23ct1 pc
$ 67.38
18.3 x 12.2 mm
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1.03ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.03ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.03ct total2 pcs
$ 40.79
7.2 x 5.3 mm
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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

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

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
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