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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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0.33ct Natural Medium Purple Sapphire, Oval, VS-SI, Photo A

0.33ct Natural Medium Purple Sapphire, Oval, VS-SI

Sapphire

0.33ct1 pc
$ 28.93
5 x 4 mm (calibrated)
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2.43ct Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

2.43ct Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

2.43ct1 pc
$ 5.37
10 x 7 mm (calibrated)
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6.16ct Natural Golden Citrine, Oval, VVS, Photo A

6.16ct Natural Golden Citrine, Oval, VVS

Citrine

6.16ct1 pc
$ 47.24
14.1 x 10.6 mm
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16.11ct Natural Dark Red Ruby, Oval, Translucent, Photo A
Ruby Product Video (624371)

16.11ct Natural Dark Red Ruby, Oval, Translucent

Ruby

16.11ct1 pc
$ 423.60
15 x 12.9 mm
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31.11ct Natural Multicolor Jasper, Oval, Opaque, Photo A

31.11ct Natural Multicolor Jasper, Oval, Opaque

Jasper

31.11ct1 pc
$ 19.08
30.5 x 20.7 mm
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0.38ct Natural Bright Orange Sapphire, Heart, VVS-VS, Photo A

0.38ct Natural Bright Orange Sapphire, Heart, VVS-VS

Sapphire

0.38ct1 pc
$ 23.46
4.5 x 4.5 mm
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5.53ct Natural Umber Brown Smoky Quartz, Round, VVS, Photo A

5.53ct Natural Umber Brown Smoky Quartz, Round, VVS

Smoky Quartz

5.53ct1 pc
$ 10.85
12 mm (calibrated)
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3.16ct Natural Medium Yellow Apatite, Oval, VS, Photo A

3.16ct Natural Medium Yellow Apatite, Oval, VS

Apatite

3.16ct1 pc
$ 103.87
10.8 x 8.5 mm
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4.40ct Natural Light Pine Green Prehnite, Fancy, Translucent, Photo A

4.40ct Natural Light Pine Green Prehnite, Fancy, Translucent

Prehnite

4.40ct1 pc
$ 7.23
13.8 x 10 mm
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6.13ct Natural Medium Green Quartz Cat's Eye, Oval, Opaque, Photo A

6.13ct Natural Medium Green Quartz Cat's Eye, Oval, Opaque

Quartz Cat's Eye

6.13ct1 pc
$ 20.15
12 x 10 mm (calibrated)
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4.32ct Natural White Green Jade, Oval, Opaque, Photo A

4.32ct Natural White Green Jade, Oval, Opaque

Jade

4.32ct1 pc
$ 8.61
11.5 x 10.2 mm
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8.01ctw Natural Black Onyx, Oval, Opaque, Photo A

8.01ctw Natural Black Onyx, Oval, Opaque

Onyx

8.01ct total2 pcs
$ 15.95
13 x 11 mm (calibrated)
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1.24ct Natural Medium Orange Hessonite Garnet, Cushion, VS, Photo A

1.24ct Natural Medium Orange Hessonite Garnet, Cushion, VS

Hessonite Garnet

1.24ct1 pc
$ 24.70
7 x 5 mm (calibrated)
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17.81ct Natural Medium Dark-Purple Ruby-Zoisite, Flower Cut, Opaque, Photo A
Ruby-Zoisite Product Video (658710)

17.81ct Natural Medium Dark-Purple Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

17.81ct1 pc
$ 21.65
17.1 x 16.6 mm
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25.15ct Natural Pale Brown Smoky Quartz, Oval, Transparent, Photo A

25.15ct Natural Pale Brown Smoky Quartz, Oval, Transparent

Smoky Quartz

25.15ct1 pc
$ 27.56
25.5 x 22.3 mm
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0.70ct Natural Bright Orange Fire Opal, Oval, Translucent, Photo A

0.70ct Natural Bright Orange Fire Opal, Oval, Translucent

Fire Opal

0.70ct1 pc
$ 15.98
8 x 6 mm (calibrated)
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1.12ct Natural Deep Orange Sphalerite, Round, SI-I1, Photo A

1.12ct Natural Deep Orange Sphalerite, Round, SI-I1

Sphalerite

1.12ct1 pc
$ 55.78
6 mm (calibrated)
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4.53ctw Natural Deep Red Pyrope Garnet, Marquise, VVS-VS, Photo A

4.53ctw Natural Deep Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

4.53ct total4 pcs
$ 39.70
10 x 5.1 mm
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0.88ct Natural Navy Blue Kyanite, Oval, SI, Photo A

0.88ct Natural Navy Blue Kyanite, Oval, SI

Kyanite

0.88ct1 pc
$ 21.91
7 x 5 mm (calibrated)
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32.68ct Natural Multicolor Labradorite, Oval, Opaque, Photo A

32.68ct Natural Multicolor Labradorite, Oval, Opaque

Labradorite

32.68ct1 pc
$ 29.29
29.5 x 20.4 mm
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1.81ct Natural Medium Green Emerald, Oval, SI-I1, Photo A
Emerald Product Video (342006)

1.81ct Natural Medium Green Emerald, Oval, SI-I1

Emerald

1.81ct1 pc
$ 1,171.79
9.1 x 6.6 mm
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3.31ct Natural Medium Red Star Ruby, Oval, Opaque, Photo A

3.31ct Natural Medium Red Star Ruby, Oval, Opaque

Star Ruby

3.31ct1 pc
$ 52.75
8.5 x 7.8 mm
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0.62ct Natural Deep Green Sapphire, Oval, VVS-VS, Photo A

0.62ct Natural Deep Green Sapphire, Oval, VVS-VS

Sapphire

0.62ct1 pc
$ 45.83
5.3 x 4.3 mm
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12.07ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent, Photo A

12.07ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent

Rainbow Moonstone

12.07ct1 pc
$ 216.39
18 x 13 mm (calibrated)
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2.05ctw Natural Multicolor Opal, Oval, Opaque, Photo A

2.05ctw Natural Multicolor Opal, Oval, Opaque

Opal

2.05ct total2 pcs
$ 61.25
9 x 7 mm (calibrated)
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1.93ct Natural Deep Reddish Pink Ruby, Oval, VS, Photo A

1.93ct Natural Deep Reddish Pink Ruby, Oval, VS

Ruby

1.93ct1 pc
$ 105.73
7.6 x 5.9 mm
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6.72ct Natural Golden-Orange Apatite, Pear Shape, VS, Photo A
Apatite Product Video (407922)

6.72ct Natural Golden-Orange Apatite, Pear Shape, VS

Apatite

6.72ct1 pc
$ 305.91
13.5 x 10.6 mm
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15.88ct Natural Bi-color Ametrine, Oval, VS, Photo A

15.88ct Natural Bi-color Ametrine, Oval, VS

Ametrine

15.88ct1 pc
$ 104.39
17.4 x 14.2 mm
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0.80ctw Natural Dark Golden Citrine, Oval, VVS-VS, Photo A

0.80ctw Natural Dark Golden Citrine, Oval, VVS-VS

Citrine

0.80ct total2 pcs
$ 5.05
6 x 4 mm (calibrated)
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4.98ctw Natural Light Orange Sunstone, Round, Translucent, Photo A

4.98ctw Natural Light Orange Sunstone, Round, Translucent

Sunstone

4.98ct total2 pcs
$ 29.47
9 mm (calibrated)
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1.49ct Natural Deep Orange Zircon, Oval, VS, Photo A

1.49ct Natural Deep Orange Zircon, Oval, VS

Zircon

1.49ct1 pc
$ 40.82
6.9 x 6 mm
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0.61ct Natural Medium Green Peridot, Octagon / Emerald Cut, VVS-VS, Photo A

0.61ct Natural Medium Green Peridot, Octagon / Emerald Cut, VVS-VS

Peridot

0.61ct1 pc
$ 9.11
6 x 4 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've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
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Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
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Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
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Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
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Enlarged Gemstone Image