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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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18.01ctw Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

18.01ctw Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

18.01ct total2 pcs
$ 10.86
20.4 x 13.7 mm
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3.76ct Natural Pinkish Iris Violet Amethyst, Briolette, VS, Photo A

3.76ct Natural Pinkish Iris Violet Amethyst, Briolette, VS

Amethyst

3.76ct1 pc
$ 16.48
11.2 x 7.7 mm
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16.17ct Natural Pinkish Violet Amethyst, Octagon / Emerald Cut, VVS-VS, Photo A

16.17ct Natural Pinkish Violet Amethyst, Octagon / Emerald Cut, VVS-VS

Amethyst

16.17ct1 pc
$ 112.74
17.9 x 14.1 mm
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4.52ct Natural Medium Yellow Quartz, Fancy, Transparent, Photo A

4.52ct Natural Medium Yellow Quartz, Fancy, Transparent

Quartz

4.52ct1 pc
$ 14.86
12.7 x 9.9 mm
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0.64ctw Natural Pastel Blue Tanzanite, Pear Shape, VS, Photo A

0.64ctw Natural Pastel Blue Tanzanite, Pear Shape, VS

Tanzanite

0.64ct total2 pcs
$ 38.25
5.2 x 4.2 mm
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1.43ct Natural Medium Pink Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

1.43ct Natural Medium Pink Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.43ct1 pc
$ 103.40
6.7 x 5.4 mm
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6.32ctw Natural Intense Violet Blue Tanzanite, Oval, Transparent, Photo A

6.32ctw Natural Intense Violet Blue Tanzanite, Oval, Transparent

Tanzanite

6.32ct total2 pcs
$ 45.58
10 x 8 mm (calibrated)
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1.07ct Natural Light Purple Spinel, Pear Shape, VVS-VS, Photo A

1.07ct Natural Light Purple Spinel, Pear Shape, VVS-VS

Spinel

1.07ct1 pc
$ 118.92
7.6 x 5.2 mm
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3.87ct Natural Multicolor Ruby in Fuchsite, Marquise, Translucent, Photo A

3.87ct Natural Multicolor Ruby in Fuchsite, Marquise, Translucent

Ruby in Fuchsite

3.87ct1 pc
$ 28.58
21.5 x 9.4 mm
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1.19ct Natural Light Orange Sunstone, Oval, Translucent, Photo A

1.19ct Natural Light Orange Sunstone, Oval, Translucent

Sunstone

1.19ct1 pc
$ 7.11
8.2 x 6.6 mm
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20.07ct Natural White with Black Dendritic Agate, Pear Shape, Translucent, Photo A

20.07ct Natural White with Black Dendritic Agate, Pear Shape, Translucent

Dendritic Agate

20.07ct1 pc
$ 13.99
35.8 x 14.2 mm
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16.06ct Natural Dark Violet Charoite, Fancy, Opaque, Photo A

16.06ct Natural Dark Violet Charoite, Fancy, Opaque

Charoite

16.06ct1 pc
$ 26.55
25.9 x 12.7 mm
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10.38ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

10.38ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

10.38ct1 pc
$ 79.81
15 x 12.6 mm
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9.61ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque, Photo A

9.61ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque

Tourmaline

9.61ct1 pc
$ 47.86
15 x 10 mm (calibrated)
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7.80ct Natural Multicolor Quartz With Marcasite, Baguette, Transparent, Photo A

7.80ct Natural Multicolor Quartz With Marcasite, Baguette, Transparent

Quartz With Marcasite

7.80ct1 pc
$ 49.91
21.6 x 8.6 mm
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3.01ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

3.01ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

3.01ct1 pc
$ 23.09
10 x 10 mm (calibrated)
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1.11ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.11ct Natural Multicolor Opal, Oval, Opaque

Opal

1.11ct1 pc
$ 33.17
9 x 7 mm (calibrated)
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1.34ct Natural Medium Orange Hessonite Garnet, Octagon / Emerald Cut, VS-SI, Photo A

1.34ct Natural Medium Orange Hessonite Garnet, Octagon / Emerald Cut, VS-SI

Hessonite Garnet

1.34ct1 pc
$ 26.43
7 x 5 mm (calibrated)
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0.43ctw Natural Very Light Sage Green Sapphire, Square, VS, Photo A

0.43ctw Natural Very Light Sage Green Sapphire, Square, VS

Sapphire

0.43ct total2 pcs
$ 59.96
3 x 3 mm (calibrated)
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9.13ctw Natural Warm Brown Tiger's Eye, Oval, Opaque, Photo A

9.13ctw Natural Warm Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

9.13ct total2 pcs
$ 15.01
14 x 10 mm (calibrated)
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2.12ct Natural Gold Citrine, Oval, VVS-VS, Photo A

2.12ct Natural Gold Citrine, Oval, VVS-VS

Citrine

2.12ct1 pc
$ 16.28
9.2 x 7.3 mm
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5.95ct Natural Medium Golden Citrine, Oval, VVS-VS, Photo A

5.95ct Natural Medium Golden Citrine, Oval, VVS-VS

Citrine

5.95ct1 pc
$ 35.72
14 x 10 mm (calibrated)
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0.54ct Natural Medium Red Sapphire, Oval, VS, Photo A

0.54ct Natural Medium Red Sapphire, Oval, VS

Sapphire

0.54ct1 pc
$ 80.68
6 x 4 mm (calibrated)
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2.80ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

2.80ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

2.80ct total4 pcs
$ 21.47
7 x 5 mm (calibrated)
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7.21ct Natural Multicolor Ruby-Zoisite, Oval, Opaque, Photo A

7.21ct Natural Multicolor Ruby-Zoisite, Oval, Opaque

Ruby-Zoisite

7.21ct1 pc
$ 17.52
14 x 10 mm (calibrated)
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0.51ct Natural Reddish Orange Sapphire, Cushion, VVS, Photo A

0.51ct Natural Reddish Orange Sapphire, Cushion, VVS

Sapphire

0.51ct1 pc
$ 27.71
4.4 x 4.4 mm
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0.65ct Natural Light Gold Beryl, Oval, VS, Photo A

0.65ct Natural Light Gold Beryl, Oval, VS

Beryl

0.65ct1 pc
$ 12.41
7 x 5 mm (calibrated)
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4.14ct Natural Deep Yellow Apatite, Oval, VS, Photo A

4.14ct Natural Deep Yellow Apatite, Oval, VS

Apatite

4.14ct1 pc
$ 136.07
12 x 10 mm (calibrated)
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9.87ct Natural Schorl Tourmaline, Oval, Opaque, Photo A

9.87ct Natural Schorl Tourmaline, Oval, Opaque

Tourmaline

9.87ct1 pc
$ 49.15
14 x 12 mm (calibrated)
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4.92ct Natural Medium Orange Sunstone, Oval, Translucent, Photo A

4.92ct Natural Medium Orange Sunstone, Oval, Translucent

Sunstone

4.92ct1 pc
$ 30.02
12 x 10 mm (calibrated)
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2.35ct Natural Medium Red Fire Opal, Oval, Transparent, Photo A

2.35ct Natural Medium Red Fire Opal, Oval, Transparent

Fire Opal

2.35ct1 pc
$ 75.68
10.9 x 8.4 mm
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3.60ct Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

3.60ct Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

3.60ct1 pc
$ 7.96
12 x 8 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

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
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Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
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Overall Rating -> 9 star ratings

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

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

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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