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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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1.23ct Natural Light Yellow Beryl, Trillion, VVS, Photo A

1.23ct Natural Light Yellow Beryl, Trillion, VVS

Beryl

1.23ct1 pc
$ 29.52
8 x 8 mm (calibrated)
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25.13ct Natural Multicolor Jasper, Square, Opaque, Photo A

25.13ct Natural Multicolor Jasper, Square, Opaque

Jasper

25.13ct1 pc
$ 33.17
22.2 x 21.9 mm
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2.88ct Natural Medium Violet Amethyst, Pear Shape, VS, Photo A

2.88ct Natural Medium Violet Amethyst, Pear Shape, VS

Amethyst

2.88ct1 pc
$ 26.62
13 x 9 mm (calibrated)
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4.81ct Natural Very Light Golden-Brown Rutile Quartz, Oval, Transparent, Photo A

4.81ct Natural Very Light Golden-Brown Rutile Quartz, Oval, Transparent

Rutile Quartz

4.81ct1 pc
$ 15.86
13 x 9 mm (calibrated)
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3.36ct Natural Light Green Apatite, Octagon / Emerald Cut, VS, Photo A

3.36ct Natural Light Green Apatite, Octagon / Emerald Cut, VS

Apatite

3.36ct1 pc
$ 164.76
8.4 x 8.1 mm
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5.39ct Natural Black Star Sapphire, Oval, Opaque, Photo A

5.39ct Natural Black Star Sapphire, Oval, Opaque

Star Sapphire

5.39ct1 pc
$ 129.36
10.2 x 9.2 mm
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2.11ctw Natural White Zircon, Oval, VVS, Photo A

2.11ctw Natural White Zircon, Oval, VVS

Zircon

2.11ct total2 pcs
$ 15.18
7 x 5 mm (calibrated)
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2.64ctw Natural Intense Purple Rhodolite Garnet, Oval, VS, Photo A

2.64ctw Natural Intense Purple Rhodolite Garnet, Oval, VS

Rhodolite Garnet

2.64ct total4 pcs
$ 69.70
5.5 x 4.5 mm
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4.09ct Natural Deep Violet Amethyst, Pear Shape, VVS, Photo A

4.09ct Natural Deep Violet Amethyst, Pear Shape, VVS

Amethyst

4.09ct1 pc
$ 35.80
14 x 10 mm (calibrated)
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2.24ct Natural Multicolor Opal, Oval, Translucent, Photo A

2.24ct Natural Multicolor Opal, Oval, Translucent

Opal

2.24ct1 pc
$ 68.09
10.7 x 8.3 mm
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0.04ct Natural Black Diamond, Round, Opaque, Photo A

0.04ct Natural Black Diamond, Round, Opaque

Diamond

0.04ct1 pc
$ 13.08
2 mm (calibrated)
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0.05ct Natural Black Diamond, Round, Opaque, Photo A

0.05ct Natural Black Diamond, Round, Opaque

Diamond

0.05ct1 pc
$ 16.35
2.2 mm (calibrated)
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2.22ctw Natural Reddish Pink Rubies, Oval, VS, Photo A

2.22ctw Natural Reddish Pink Rubies, Oval, VS

Ruby

2.22ct total2 pcs
$ 266.40
7 x 5 mm (calibrated)
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7.30ct Natural Light-Medium Violet Amethyst, Pear Shape, VVS, Photo A

7.30ct Natural Light-Medium Violet Amethyst, Pear Shape, VVS

Amethyst

7.30ct1 pc
$ 61.32
16.7 x 12.2 mm
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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
$ 25.87
7 x 5 mm (calibrated)
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1.25ctw Natural Deep Golden Orange Citrine, Pear Shape, VVS-VS, Photo A

1.25ctw Natural Deep Golden Orange Citrine, Pear Shape, VVS-VS

Citrine

1.25ct total2 pcs
$ 9.90
7 x 5 mm (calibrated)
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8.42ctw Natural Swiss Blue Topaz, Heart, VVS, Photo A

8.42ctw Natural Swiss Blue Topaz, Heart, VVS

Topaz

8.42ct total2 pcs
$ 72.24
10 x 10 mm (calibrated)
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27.47ct Natural Medium-Dark Gray Obsidian, Oval, Opaque, Photo A

27.47ct Natural Medium-Dark Gray Obsidian, Oval, Opaque

Obsidian

27.47ct1 pc
$ 26.11
30.7 x 21 mm
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48.66ct Natural Medium Gray Hematite, Cushion, Opaque, Photo A

48.66ct Natural Medium Gray Hematite, Cushion, Opaque

Hematite

48.66ct1 pc
$ 57.17
21.3 x 18.6 mm
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0.59ct Natural Medium Orange Fire Opal, Oval, Transparent, Photo A

0.59ct Natural Medium Orange Fire Opal, Oval, Transparent

Fire Opal

0.59ct1 pc
$ 14.02
8 x 6 mm (calibrated)
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6.07ct Natural Hickory Brown Smoky Quartz, Round, VVS, Photo A

6.07ct Natural Hickory Brown Smoky Quartz, Round, VVS

Smoky Quartz

6.07ct1 pc
$ 14.35
13 mm (calibrated)
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0.54ct Natural Deep Orange-Gold Sapphire, Heart, VS, Photo A

0.54ct Natural Deep Orange-Gold Sapphire, Heart, VS

Sapphire

0.54ct1 pc
$ 40.18
4.6 x 4.5 mm
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0.57ctw Natural Tuscany Yellow Sapphire, Square, VVS-VS, Photo A

0.57ctw Natural Tuscany Yellow Sapphire, Square, VVS-VS

Sapphire

0.57ct total2 pcs
$ 25.64
3.4 x 3.3 mm
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4.93ctw Natural Medium Green Agate, Oval, Translucent, Photo A

4.93ctw Natural Medium Green Agate, Oval, Translucent

Agate

4.93ct total2 pcs
$ 6.44
9 x 7 mm (calibrated)
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45.38ct Natural Silver Gray Hematite, Marquise, Opaque, Photo A

45.38ct Natural Silver Gray Hematite, Marquise, Opaque

Hematite

45.38ct1 pc
$ 53.32
30.4 x 13.5 mm
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11.03ct Natural Multicolor Black Opal, Oval, Opaque, Photo A

11.03ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

11.03ct1 pc
$ 551.50
20.4 x 13.9 mm
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1.45ctw Natural Medium Orange Fire Opal, Oval, Translucent, Photo A

1.45ctw Natural Medium Orange Fire Opal, Oval, Translucent

Fire Opal

1.45ct total2 pcs
$ 47.86
8 x 6 mm (calibrated)
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19.84ct Natural Dark Greenish Blue Turquoise, Oval, Opaque, Photo A

19.84ct Natural Dark Greenish Blue Turquoise, Oval, Opaque

Turquoise

19.84ct1 pc
$ 71.90
20 x 15 mm (calibrated)
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4.17ct Natural Medium Orange Sunstone, Oval, Translucent, Photo A

4.17ct Natural Medium Orange Sunstone, Oval, Translucent

Sunstone

4.17ct1 pc
$ 30.66
12 x 10 mm (calibrated)
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3.65ct Natural Golden Orange Citrine, Oval, VS, Photo A

3.65ct Natural Golden Orange Citrine, Oval, VS

Citrine

3.65ct1 pc
$ 28.91
11 x 9 mm (calibrated)
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1.91ct Natural Medium Pink Tourmaline, Octagon / Emerald Cut, VS, Photo A
Tourmaline Product Video (560852)

1.91ct Natural Medium Pink Tourmaline, Octagon / Emerald Cut, VS

Tourmaline

1.91ct1 pc
$ 166.40
8.3 x 5.4 mm
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0.18ct Natural Pale Yellow Diamond, Round, VS, Photo A
Diamond Product Video (543901)

0.18ct Natural Pale Yellow Diamond, Round, VS

Diamond

0.18ct1 pc
$ 391.22
3.5 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

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 -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 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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Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
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Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
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Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

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