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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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2.81ctw Natural Scarlet Red Rhodolite Garnet, Square, VS, Photo A

2.81ctw Natural Scarlet Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

2.81ct total4 pcs
$ 29.64
5 x 5 mm (calibrated)
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1.43ct Natural Dark Red Spinel, Cushion, VS, Photo A

1.43ct Natural Dark Red Spinel, Cushion, VS

Spinel

1.43ct1 pc
$ 185.90
6.7 x 5.9 mm
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14.03ct Natural Multicolor Agate, Round, Opaque, Photo A

14.03ct Natural Multicolor Agate, Round, Opaque

Agate

14.03ct1 pc
$ 16.00
14 mm (calibrated)
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4.62ct Natural Purplish Violet Amethyst, Pear Shape, VS, Photo A

4.62ct Natural Purplish Violet Amethyst, Pear Shape, VS

Amethyst

4.62ct1 pc
$ 42.68
15 x 10 mm (calibrated)
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21.18ctw Natural Multicolor Labradorite, Oval, Translucent, Photo A

21.18ctw Natural Multicolor Labradorite, Oval, Translucent

Labradorite

21.18ct total2 pcs
$ 55.92
20 x 15 mm (calibrated)
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38.94ct Natural Black Nuummite, Oval, Opaque, Photo A

38.94ct Natural Black Nuummite, Oval, Opaque

Nuummite

38.94ct1 pc
$ 196.36
28.4 x 22.2 mm
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3.00ct Natural Cool Green Agate, Pear Shape, Translucent, Photo A

3.00ct Natural Cool Green Agate, Pear Shape, Translucent

Agate

3.00ct1 pc
$ 7.92
13 x 9 mm (calibrated)
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10.68ct Natural Multicolor Pietersite, Oval, Opaque, Photo A

10.68ct Natural Multicolor Pietersite, Oval, Opaque

Pietersite

10.68ct1 pc
$ 56.39
18 x 13 mm (calibrated)
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0.74ct Natural Hot Pink Tourmaline, Round, Transparent, Photo A

0.74ct Natural Hot Pink Tourmaline, Round, Transparent

Tourmaline

0.74ct1 pc
$ 35.52
5.2 mm
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13.37ct Natural Bi-color Ametrine, Oval, VVS-VS, Photo A

13.37ct Natural Bi-color Ametrine, Oval, VVS-VS

Ametrine

13.37ct1 pc
$ 111.12
17 x 13.8 mm
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13.64ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

13.64ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

13.64ct1 pc
$ 360.10
22 x 15.5 mm
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0.82ct Natural Lively Green Sphene, Oval, Transparent, Photo A

0.82ct Natural Lively Green Sphene, Oval, Transparent

Sphene

0.82ct1 pc
$ 4.92
6 x 5.2 mm
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1.25ctw Natural Currant Red Pyrope Garnet, Pear Shape, VVS-VS, Photo A

1.25ctw Natural Currant Red Pyrope Garnet, Pear Shape, VVS-VS

Pyrope Garnet

1.25ct total2 pcs
$ 12.00
7 x 4.8 mm
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0.38ct Natural Light Yellow Color-Change Diaspore, Cushion, VVS, Photo A

0.38ct Natural Light Yellow Color-Change Diaspore, Cushion, VVS

Color-Change Diaspore

0.38ct1 pc
$ 24.17
4.9 x 4.4 mm
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16.58ct Natural Multicolor Ammolite, Trillion, Opaque, Photo A
Ammolite Product Video (494364)

16.58ct Natural Multicolor Ammolite, Trillion, Opaque

Ammolite

16.58ct1 pc
$ 328.28
22.6 x 19.3 mm
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3.85ct Natural Medium-Light Orange-Gold Citrine, Octagon / Emerald Cut, VVS, Photo A

3.85ct Natural Medium-Light Orange-Gold Citrine, Octagon / Emerald Cut, VVS

Citrine

3.85ct1 pc
$ 35.58
11 x 9 mm (calibrated)
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4.33ctw Natural Multicolor Spectrolite, Oval, Opaque, Photo A

4.33ctw Natural Multicolor Spectrolite, Oval, Opaque

Spectrolite

4.33ct total2 pcs
$ 23.84
10 x 8 mm (calibrated)
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36.42ct Natural Multicolor Jasper, Baguette, Opaque, Photo A
Jasper Product Video (697417)

36.42ct Natural Multicolor Jasper, Baguette, Opaque

Jasper

36.42ct1 pc
$ 24.91
26.7 x 14.9 mm
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16.04ct Natural Multicolor Ruby-Zoisite, Pear Shape, Opaque, Photo A

16.04ct Natural Multicolor Ruby-Zoisite, Pear Shape, Opaque

Ruby-Zoisite

16.04ct1 pc
$ 52.93
19.8 x 14.4 mm
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3.36ctw Natural Swiss Blue Topaz, Pear Shape, VS, Photo A

3.36ctw Natural Swiss Blue Topaz, Pear Shape, VS

Topaz

3.36ct total4 pcs
$ 31.04
7 x 5 mm (calibrated)
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10.69ctw Natural Light Yellow Rutile Quartz, Oval, Transparent, Photo A

10.69ctw Natural Light Yellow Rutile Quartz, Oval, Transparent

Rutile Quartz

10.69ct total2 pcs
$ 44.90
12 x 10 mm (calibrated)
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7.37ct Natural Bright Gold Citrine, Octagon / Emerald Cut, VVS, Photo A

7.37ct Natural Bright Gold Citrine, Octagon / Emerald Cut, VVS

Citrine

7.37ct1 pc
$ 48.65
14 x 10 mm (calibrated)
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0.44ct Natural Medium Yellow Color-Change Diaspore, Pear Shape, VS, Photo A

0.44ct Natural Medium Yellow Color-Change Diaspore, Pear Shape, VS

Color-Change Diaspore

0.44ct1 pc
$ 27.98
6 x 4 mm (calibrated)
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1.34ct Natural Bright Green Sphene, Oval, Transparent, Photo A

1.34ct Natural Bright Green Sphene, Oval, Transparent

Sphene

1.34ct1 pc
$ 8.04
6.8 x 5.9 mm
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1.73ct Natural Magenta Tourmaline, Oval, VS-SI, Photo A

1.73ct Natural Magenta Tourmaline, Oval, VS-SI

Tourmaline

1.73ct1 pc
$ 311.40
7.9 x 7.5 mm
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0.73ct Natural Medium Gold Citrine, Heart, VVS, Photo A

0.73ct Natural Medium Gold Citrine, Heart, VVS

Citrine

0.73ct1 pc
$ 7.01
6 x 6 mm (calibrated)
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42.56ct Natural Coral Pink Star Rose Quartz, Oval, Transparent, Photo A

42.56ct Natural Coral Pink Star Rose Quartz, Oval, Transparent

Star Rose Quartz

42.56ct1 pc
$ 84.26
21.9 x 19 mm
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4.34ctw Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS-VS, Photo A

4.34ctw Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS-VS

Topaz

4.34ct total2 pcs
$ 41.66
8 x 6 mm (calibrated)
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11.00ct Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

11.00ct Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

11.00ct1 pc
$ 10.45
27 x 13.9 mm
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1.31ct Natural Dark Red Pyrope Garnet, Fancy, VS, Photo A

1.31ct Natural Dark Red Pyrope Garnet, Fancy, VS

Pyrope Garnet

1.31ct1 pc
$ 15.75
8.8 x 3.4 mm
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1.21ct Natural Reddish Orange Hessonite Garnet, Oval, VS, Photo A

1.21ct Natural Reddish Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.21ct1 pc
$ 29.04
7.2 x 5.9 mm
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1.61ctw Natural Merlot Red Pyrope Garnet, Pear Shape, VVS-VS, Photo A

1.61ctw Natural Merlot Red Pyrope Garnet, Pear Shape, VVS-VS

Pyrope Garnet

1.61ct total2 pcs
$ 14.88
7 x 5 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

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

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

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

Posted By Designer in December, 2025
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Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
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Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
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Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
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Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
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