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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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24.39ct Natural Multicolor Opal, Oval, Opaque, Photo A

24.39ct Natural Multicolor Opal, Oval, Opaque

Opal

24.39ct1 pc
$ 87.80
26.7 x 18.2 mm
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7.19ct Natural Multicolor Quartz With Marcasite, Oval, Transparent, Photo A

7.19ct Natural Multicolor Quartz With Marcasite, Oval, Transparent

Quartz With Marcasite

7.19ct1 pc
$ 56.94
13.4 x 11.4 mm
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2.42ctw Natural Sky Blue Topaz, Trillion, VS, Photo A

2.42ctw Natural Sky Blue Topaz, Trillion, VS

Topaz

2.42ct total2 pcs
$ 22.36
7 x 7 mm (calibrated)
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1.19ct Natural Navy Blue Kyanite, Oval, VS, Photo A

1.19ct Natural Navy Blue Kyanite, Oval, VS

Kyanite

1.19ct1 pc
$ 31.42
7 x 5 mm (calibrated)
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0.33ct Natural Deep Orange Sphalerite, Oval, SI, Photo A

0.33ct Natural Deep Orange Sphalerite, Oval, SI

Sphalerite

0.33ct1 pc
$ 19.80
4.2 x 3.4 mm
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1.09ct Natural Greenish Brown Kornerupine, Oval, VS, Photo A

1.09ct Natural Greenish Brown Kornerupine, Oval, VS

Kornerupine

1.09ct1 pc
$ 109.00
8 x 6 mm (calibrated)
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2.86ct Natural Dark Red Rhodolite Garnet, Oval, VS, Photo A

2.86ct Natural Dark Red Rhodolite Garnet, Oval, VS

Rhodolite Garnet

2.86ct1 pc
$ 137.28
9.3 x 7.4 mm
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1.18ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.18ct Natural Multicolor Opal, Oval, Opaque

Opal

1.18ct1 pc
$ 35.87
9.1 x 7.3 mm
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6.84ct Natural Medium Gold Citrine, Oval, VVS-VS, Photo A

6.84ct Natural Medium Gold Citrine, Oval, VVS-VS

Citrine

6.84ct1 pc
$ 49.48
14 x 10 mm (calibrated)
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4.15ctw Natural Multicolor Spectrolite, Oval, Opaque, Photo A

4.15ctw Natural Multicolor Spectrolite, Oval, Opaque

Spectrolite

4.15ct total2 pcs
$ 19.63
10 x 8 mm (calibrated)
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4.98ct Natural Deep Golden Orange Citrine, Oval, VVS-VS, Photo A

4.98ct Natural Deep Golden Orange Citrine, Oval, VVS-VS

Citrine

4.98ct1 pc
$ 46.02
12 x 10 mm (calibrated)
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22.37ct Natural Multicolor Jasper, Oval, Opaque, Photo A

22.37ct Natural Multicolor Jasper, Oval, Opaque

Jasper

22.37ct1 pc
$ 16.84
27 x 20 mm (calibrated)
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0.80ct Natural Gold Morganite, Pear Shape, VS, Photo A

0.80ct Natural Gold Morganite, Pear Shape, VS

Morganite

0.80ct1 pc
$ 43.20
8.2 x 5.7 mm
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0.46ct Natural Orange-Gold Sapphire, Oval, VVS-VS, Photo A

0.46ct Natural Orange-Gold Sapphire, Oval, VVS-VS

Sapphire

0.46ct1 pc
$ 29.36
5.8 x 3.8 mm
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1.24ct Natural Medium Light Brown Color-Change Garnet, Cushion, VS, Photo A

1.24ct Natural Medium Light Brown Color-Change Garnet, Cushion, VS

Color-Change Garnet

1.24ct1 pc
$ 119.35
7.3 x 4.9 mm
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2.81ctw Natural Medium Purplish Violet Amethyst, Heart, VVS-VS, Photo A

2.81ctw Natural Medium Purplish Violet Amethyst, Heart, VVS-VS

Amethyst

2.81ct total4 pcs
$ 25.97
6 x 6 mm (calibrated)
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3.25ct Natural Wine Red Star Ruby, Oval, Opaque, Photo A

3.25ct Natural Wine Red Star Ruby, Oval, Opaque

Star Ruby

3.25ct1 pc
$ 180.83
9.4 x 8.4 mm
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1.30ct Natural Light Greenish Yellow Sphene, Oval, Transparent, Photo A

1.30ct Natural Light Greenish Yellow Sphene, Oval, Transparent

Sphene

1.30ct1 pc
$ 7.80
6.5 x 5.3 mm
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21.50ctw Natural Pale Pear Green Prehnite, Flower Cut, Transparent, Photo A

21.50ctw Natural Pale Pear Green Prehnite, Flower Cut, Transparent

Prehnite

21.50ct total4 pcs
$ 39.17
15.2 x 10.5 mm
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0.21ct Natural Medium Red Ruby, Round, VS, Photo A

0.21ct Natural Medium Red Ruby, Round, VS

Ruby

0.21ct1 pc
$ 83.44
3.5 mm (calibrated)
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1.44ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.44ct Natural Multicolor Opal, Oval, Translucent

Opal

1.44ct1 pc
$ 79.84
10 x 8 mm (calibrated)
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9.19ct Natural White with Black Dendritic Agate, Pear Shape, Opaque, Photo A

9.19ct Natural White with Black Dendritic Agate, Pear Shape, Opaque

Dendritic Agate

9.19ct1 pc
$ 8.82
18 x 13 mm (calibrated)
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2.53ctw Natural Clear White Sillimanite Cat's Eye, Oval, Translucent, Photo A

2.53ctw Natural Clear White Sillimanite Cat's Eye, Oval, Translucent

Sillimanite Cat's Eye

2.53ct total2 pcs
$ 12.10
7 x 5 mm (calibrated)
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1.16ctw Natural Apricot Orange Sapphire, Cushion, VS, Photo A

1.16ctw Natural Apricot Orange Sapphire, Cushion, VS

Sapphire

1.16ct total2 pcs
$ 57.23
4.3 x 4.3 mm
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0.64ct Natural Reddish Orange Sapphire, Oval, VVS, Photo A

0.64ct Natural Reddish Orange Sapphire, Oval, VVS

Sapphire

0.64ct1 pc
$ 42.24
5.8 x 4.2 mm
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2.90ct Natural Golden Citrine, Oval, VS, Photo A

2.90ct Natural Golden Citrine, Oval, VS

Citrine

2.90ct1 pc
$ 19.14
11 x 9 mm (calibrated)
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1.04ct Natural Very Light Brown Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.04ct Natural Very Light Brown Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.04ct1 pc
$ 3.74
5.8 x 5.6 mm
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11.36ct Natural Dark Gray Pearl, Fancy, Opaque, Photo A
Pearl Product Video (333575)

11.36ct Natural Dark Gray Pearl, Fancy, Opaque

Pearl

11.36ct1 pc
$ 211.19
12 mm (calibrated)
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3.10ctw Natural Black Onyx, Round, Opaque, Photo A

3.10ctw Natural Black Onyx, Round, Opaque

Onyx

3.10ct total2 pcs
$ 7.44
7 mm (calibrated)
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11.64ctw Natural Pine Green Amazonite, Round, Opaque, Photo A

11.64ctw Natural Pine Green Amazonite, Round, Opaque

Amazonite

11.64ct total5 pcs
$ 34.27
8 mm (calibrated)
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34.99ct Natural Multicolor Tiger's Eye Matrix, Pear Shape, Opaque, Photo A

34.99ct Natural Multicolor Tiger's Eye Matrix, Pear Shape, Opaque

Tiger's Eye Matrix

34.99ct1 pc
$ 18.90
30 x 22 mm (calibrated)
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0.32ct Natural Medium Pink Sapphire, Pear Shape, VVS, Photo A

0.32ct Natural Medium Pink Sapphire, Pear Shape, VVS

Sapphire

0.32ct1 pc
$ 35.27
6.6 x 4.6 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

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

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate
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