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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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0.94ct Natural Medium Violet Amethyst, Marquise, VVS-VS, Photo A

0.94ct Natural Medium Violet Amethyst, Marquise, VVS-VS

Amethyst

0.94ct1 pc
$ 7.52
10 x 5 mm (calibrated)
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0.59ct Natural Orange Pink Tourmaline, Round, Transparent, Photo A

0.59ct Natural Orange Pink Tourmaline, Round, Transparent

Tourmaline

0.59ct1 pc
$ 28.32
5 mm (calibrated)
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7.27ct Natural Hickory Brown Smoky Quartz, Round, VVS-VS, Photo A

7.27ct Natural Hickory Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

7.27ct1 pc
$ 14.40
13 mm (calibrated)
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11.78ct Natural Deep Blue Color-Change Fluorite, Round, VS, Photo A

11.78ct Natural Deep Blue Color-Change Fluorite, Round, VS

Color-Change Fluorite

11.78ct1 pc
$ 389.98
14 mm (calibrated)
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0.79ct Natural Bright Green Tsavorite Garnet, Oval, SI, Photo A
Tsavorite Garnet Product Video (748892)

0.79ct Natural Bright Green Tsavorite Garnet, Oval, SI

Tsavorite Garnet

0.79ct1 pc
$ 474.00
5.5 x 4.7 mm
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4.76ctw Natural Sky Blue Topaz, Octagon / Emerald Cut, VVS-VS, Photo A

4.76ctw Natural Sky Blue Topaz, Octagon / Emerald Cut, VVS-VS

Topaz

4.76ct total4 pcs
$ 41.03
7 x 5 mm (calibrated)
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6.17ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque, Photo A

6.17ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque

Nuummite

6.17ct1 pc
$ 30.50
13.1 x 12.4 mm
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2.04ctw Natural Black Onyx, Round, Opaque, Photo A

2.04ctw Natural Black Onyx, Round, Opaque

Onyx

2.04ct total2 pcs
$ 4.90
5.5 mm (calibrated)
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3.58ctw Natural Sky Blue Topaz, Pear Shape, VS, Photo A

3.58ctw Natural Sky Blue Topaz, Pear Shape, VS

Topaz

3.58ct total6 pcs
$ 30.24
6 x 4 mm (calibrated)
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1.61ct Natural Deep Pink Tourmaline, Oval, Transparent, Photo A

1.61ct Natural Deep Pink Tourmaline, Oval, Transparent

Tourmaline

1.61ct1 pc
$ 32.15
7.3 x 6 mm
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2.48ctw Natural Lively Green Tsavorite Garnet, Pear Shape, VS, Photo A
Tsavorite Garnet Product Video (484891)

2.48ctw Natural Lively Green Tsavorite Garnet, Pear Shape, VS

Tsavorite Garnet

2.48ct total20 pcs
$ 163.68
3.9 x 2.8 mm
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1.30ct Natural Lively Green Peridot, Oval, VS, Photo A

1.30ct Natural Lively Green Peridot, Oval, VS

Peridot

1.30ct1 pc
$ 14.04
8 x 6 mm (calibrated)
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3.76ct Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

3.76ct Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

3.76ct1 pc
$ 10.02
12 x 8 mm (calibrated)
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8.41ct Natural Multicolor Rainbow Pyrite, Trillion, Opaque, Photo A

8.41ct Natural Multicolor Rainbow Pyrite, Trillion, Opaque

Rainbow Pyrite

8.41ct1 pc
$ 26.14
17.2 x 15.9 mm
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6.06ct Natural Multicolor Pietersite, Cushion, Opaque, Photo A

6.06ct Natural Multicolor Pietersite, Cushion, Opaque

Pietersite

6.06ct1 pc
$ 17.23
16 x 10.1 mm
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13.98ct Natural Multicolor Agate, Sphere / Ball, Opaque, Photo A
Agate Product Video (701057)

13.98ct Natural Multicolor Agate, Sphere / Ball, Opaque

Agate

13.98ct1 pc
$ 13.42
12 mm (calibrated)
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0.60ct Natural Light Yellow Color-Change Diaspore, Cushion, VVS-VS, Photo A

0.60ct Natural Light Yellow Color-Change Diaspore, Cushion, VVS-VS

Color-Change Diaspore

0.60ct1 pc
$ 38.16
5.2 x 4.4 mm
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1.41ct Natural Brownish Green Kornerupine, Pear Shape, VS, Photo A

1.41ct Natural Brownish Green Kornerupine, Pear Shape, VS

Kornerupine

1.41ct1 pc
$ 93.06
8.8 x 6.7 mm
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0.54ct Natural Brownish Yellow Sphalerite, Oval, SI-I1, Photo A

0.54ct Natural Brownish Yellow Sphalerite, Oval, SI-I1

Sphalerite

0.54ct1 pc
$ 32.40
5.1 x 4.3 mm
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0.48ct Natural Intense Orange Citrine, Marquise, VS, Photo A

0.48ct Natural Intense Orange Citrine, Marquise, VS

Citrine

0.48ct1 pc
$ 4.03
8 x 4 mm (calibrated)
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1.37ct Natural Deep Hot Pink Tourmaline, Oval, Transparent, Photo A

1.37ct Natural Deep Hot Pink Tourmaline, Oval, Transparent

Tourmaline

1.37ct1 pc
$ 27.36
7.5 x 5.8 mm
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18.94ct Natural Dark Red Ruby, Oval, Translucent, Photo A

18.94ct Natural Dark Red Ruby, Oval, Translucent

Ruby

18.94ct1 pc
$ 590.93
15.3 x 13.3 mm
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28.71ct Natural Multicolor Jasper, Trillion, Opaque, Photo A

28.71ct Natural Multicolor Jasper, Trillion, Opaque

Jasper

28.71ct1 pc
$ 20.09
32.3 x 25.3 mm
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0.75ct Natural Light Gold Citrine, Heart, Transparent, Photo A

0.75ct Natural Light Gold Citrine, Heart, Transparent

Citrine

0.75ct1 pc
$ 6.30
6 x 6 mm (calibrated)
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3.42ctw Natural Yellowish Brown Tiger's Eye, Oval, Opaque, Photo A

3.42ctw Natural Yellowish Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

3.42ct total2 pcs
$ 3.24
9 x 7 mm (calibrated)
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2.59ct Natural Navy Blue Star Sapphire, Round, Opaque, Photo A

2.59ct Natural Navy Blue Star Sapphire, Round, Opaque

Star Sapphire

2.59ct1 pc
$ 64.96
7 mm (calibrated)
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16.27ct Natural Multicolor Quartz With Marcasite, Oval, Transparent, Photo A

16.27ct Natural Multicolor Quartz With Marcasite, Oval, Transparent

Quartz With Marcasite

16.27ct1 pc
$ 117.14
20 x 15 mm (calibrated)
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19.17ct Natural Seaweed Green Serpentine, Oval, Translucent, Photo A

19.17ct Natural Seaweed Green Serpentine, Oval, Translucent

Serpentine

19.17ct1 pc
$ 49.46
26.8 x 16.5 mm
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3.52ctw Natural Pale Green  Prehnite, Oval, Transparent/Translucent, Photo A

3.52ctw Natural Pale Green Prehnite, Oval, Transparent/Translucent

Prehnite

3.52ct total2 pcs
$ 12.54
9 x 7 mm (calibrated)
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1.27ct Natural Medium Purple Spinel, Cushion, VVS-VS, Photo A

1.27ct Natural Medium Purple Spinel, Cushion, VVS-VS

Spinel

1.27ct1 pc
$ 125.74
6.3 x 6.1 mm
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0.79ct Natural Light Golden Morganite, Pear Shape, VS, Photo A

0.79ct Natural Light Golden Morganite, Pear Shape, VS

Morganite

0.79ct1 pc
$ 52.14
8 x 6 mm (calibrated)
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3.87ct Natural Multicolor Labradorite, Marquise, Translucent, Photo A

3.87ct Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

3.87ct1 pc
$ 10.31
14 x 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

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Overall Rating -> 10 star ratings

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Overall Rating -> 10 star ratings

I could see the actual gem I was buying

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

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
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Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
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