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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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22.54ct Natural Black with Gold Sheen Obsidian, Oval, Opaque, Photo A

22.54ct Natural Black with Gold Sheen Obsidian, Oval, Opaque

Obsidian

22.54ct1 pc
$ 19.75
27 x 20 mm (calibrated)
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28.65ctw Natural Light Sky Blue Lazulite, Fancy, Opaque, Photo A

28.65ctw Natural Light Sky Blue Lazulite, Fancy, Opaque

Lazulite

28.65ct total2 pcs
$ 28.06
27.5 x 17.7 mm
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6.66ct Natural Multicolor Fire Agate, Oval, Opaque, Photo A
Fire Agate Product Video (487026)

6.66ct Natural Multicolor Fire Agate, Oval, Opaque

Fire Agate

6.66ct1 pc
$ 51.28
14 x 9 mm (calibrated)
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1.87ct Natural Rose Pink Tourmaline, Oval, VS-SI, Photo A

1.87ct Natural Rose Pink Tourmaline, Oval, VS-SI

Tourmaline

1.87ct1 pc
$ 279.38
8.3 x 7.5 mm
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2.31ct Natural Deep Orange-Gold Citrine, Pear Shape, VVS-VS, Photo A

2.31ct Natural Deep Orange-Gold Citrine, Pear Shape, VVS-VS

Citrine

2.31ct1 pc
$ 17.72
12 x 8 mm (calibrated)
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3.48ctw Natural Warm Green Prehnite, Oval, Transparent, Photo A

3.48ctw Natural Warm Green Prehnite, Oval, Transparent

Prehnite

3.48ct total2 pcs
$ 19.07
9.2 x 6.5 mm
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2.27ct Natural Bi-color Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A
Tourmaline Product Video (744043)

2.27ct Natural Bi-color Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

2.27ct1 pc
$ 508.71
10.3 x 5.2 mm
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2.31ct Natural Medium-Dark Orange Hessonite Garnet, Cushion, VS, Photo A

2.31ct Natural Medium-Dark Orange Hessonite Garnet, Cushion, VS

Hessonite Garnet

2.31ct1 pc
$ 43.03
7.3 x 7.2 mm
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18.17ct Natural Deep Green Maw-Sit-Sit, Round, Opaque, Photo A

18.17ct Natural Deep Green Maw-Sit-Sit, Round, Opaque

Maw-Sit-Sit

18.17ct1 pc
$ 59.72
14 mm (calibrated)
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4.33ct Natural Clear White Topaz, Round, VVS-VS, Photo A

4.33ct Natural Clear White Topaz, Round, VVS-VS

Topaz

4.33ct1 pc
$ 20.16
10 mm (calibrated)
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1.41ctw Natural Deep Wine Red Rhodolite Garnet, Square, VS, Photo A

1.41ctw Natural Deep Wine Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

1.41ct total2 pcs
$ 12.35
5 x 5 mm (calibrated)
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3.00ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

3.00ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

3.00ct1 pc
$ 23.90
10 x 10 mm (calibrated)
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0.68ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

0.68ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

0.68ct1 pc
$ 16.93
8 x 5.7 mm
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153.32ct Natural Blush Pink Rose Quartz, Oval, Transparent, Photo A
Rose Quartz Product Video (521477)

153.32ct Natural Blush Pink Rose Quartz, Oval, Transparent

Rose Quartz

153.32ct1 pc
$ 335.95
36.6 x 29.7 mm
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0.66ct Natural Greenish Grey Cat's Eye Alexandrite, Round, Opaque, Photo A

0.66ct Natural Greenish Grey Cat's Eye Alexandrite, Round, Opaque

Cat's Eye Alexandrite

0.66ct1 pc
$ 132.00
5 mm (calibrated)
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0.85ct Natural Light Yellow Sphene, Oval, Transparent, Photo A

0.85ct Natural Light Yellow Sphene, Oval, Transparent

Sphene

0.85ct1 pc
$ 4.23
6 x 5.1 mm
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0.18ct Natural Medium Violet Iolite, Octagon / Emerald Cut, VVS, Photo A

0.18ct Natural Medium Violet Iolite, Octagon / Emerald Cut, VVS

Iolite

0.18ct1 pc
$ 7.17
4.9 x 2.9 mm
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39.68ct Natural Earth Green Idocrase, Oval, Opaque, Photo A

39.68ct Natural Earth Green Idocrase, Oval, Opaque

Idocrase

39.68ct1 pc
$ 19.76
33.4 x 23.3 mm
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4.00ctw Natural Pale Green Prehnite, Oval, Transparent, Photo A

4.00ctw Natural Pale Green Prehnite, Oval, Transparent

Prehnite

4.00ct total2 pcs
$ 30.68
7.6 x 6.9 mm
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7.24ct Natural Multicolor Rainbow Pyrite, Oval, Opaque, Photo A

7.24ct Natural Multicolor Rainbow Pyrite, Oval, Opaque

Rainbow Pyrite

7.24ct1 pc
$ 18.74
19.4 x 8.5 mm
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9.19ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A
Opal Product Video (746951)

9.19ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

9.19ct1 pc
$ 457.66
20.8 x 12.1 mm
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0.52ct Natural Very Light Pink Morganite, Round, VS-SI, Photo A

0.52ct Natural Very Light Pink Morganite, Round, VS-SI

Morganite

0.52ct1 pc
$ 21.58
5.5 mm (calibrated)
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8.23ctw Natural Sky Blue Topaz, Marquise, VVS, Photo A

8.23ctw Natural Sky Blue Topaz, Marquise, VVS

Topaz

8.23ct total2 pcs
$ 57.98
13.8 x 8 mm
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5.50ctw Natural Deep Purplish Violet Amethyst, Trillion, VS, Photo A

5.50ctw Natural Deep Purplish Violet Amethyst, Trillion, VS

Amethyst

5.50ct total2 pcs
$ 38.35
10 x 10 mm (calibrated)
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1.53ctw Natural Medium Blue Apatite, Oval, VS, Photo A

1.53ctw Natural Medium Blue Apatite, Oval, VS

Apatite

1.53ct total4 pcs
$ 33.62
5 x 4 mm (calibrated)
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16.87ct Natural Multicolor Agate, Oval, Opaque, Photo A

16.87ct Natural Multicolor Agate, Oval, Opaque

Agate

16.87ct1 pc
$ 16.80
15.9 x 14.5 mm
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2.23ct Natural Multicolor Labradorite, Marquise, Translucent, Photo A

2.23ct Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

2.23ct1 pc
$ 4.93
12 x 6 mm (calibrated)
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3.12ctw Natural Bluish White Rainbow Moonstone, Square, Transparent, Photo A

3.12ctw Natural Bluish White Rainbow Moonstone, Square, Transparent

Rainbow Moonstone

3.12ct total20 pcs
$ 58.11
3.2 x 3.1 mm
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16.24ct Natural Multicolor Jasper, Fancy, Opaque, Photo A

16.24ct Natural Multicolor Jasper, Fancy, Opaque

Jasper

16.24ct1 pc
$ 26.69
31 x 14.5 mm
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0.92ct Natural Blue Green Emerald, Oval, VS-SI, Photo A
Emerald Product Video (680817)

0.92ct Natural Blue Green Emerald, Oval, VS-SI

Emerald

0.92ct1 pc
$ 229.08
8 x 6 mm (calibrated)
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1.35ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VS, Photo A

1.35ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VS

Tourmaline

1.35ct1 pc
$ 67.23
9 x 4.7 mm
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82.87ct Natural Medium Rose Pink Rose Quartz, Oval, Transparent, Photo A
Rose Quartz Product Video (521013)

82.87ct Natural Medium Rose Pink Rose Quartz, Oval, Transparent

Rose Quartz

82.87ct1 pc
$ 151.32
29.1 x 25.9 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!

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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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