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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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1.29ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.29ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.29ct1 pc
$ 5.96
6.5 x 6.2 mm
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0.87ct Natural Medium Red Malaya Garnet, Marquise, VS, Photo A

0.87ct Natural Medium Red Malaya Garnet, Marquise, VS

Malaya Garnet

0.87ct1 pc
$ 40.20
8.9 x 4.6 mm
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17.54ctw Natural Black Onyx, Pear Shape, Opaque, Photo A

17.54ctw Natural Black Onyx, Pear Shape, Opaque

Onyx

17.54ct total2 pcs
$ 21.05
18 x 13 mm (calibrated)
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2.55ct Natural Medium-Light Yellow Golden Beryl, Round, VVS, Photo A

2.55ct Natural Medium-Light Yellow Golden Beryl, Round, VVS

Golden Beryl

2.55ct1 pc
$ 56.10
9 mm (calibrated)
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16.90ct Natural Swiss Blue Topaz, Oval, VVS-VS, Photo A

16.90ct Natural Swiss Blue Topaz, Oval, VVS-VS

Topaz

16.90ct1 pc
$ 162.24
18.7 x 13.8 mm
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2.90ct Natural Cantaloupe Orange Moonstone, Cushion, Translucent, Photo A

2.90ct Natural Cantaloupe Orange Moonstone, Cushion, Translucent

Moonstone

2.90ct1 pc
$ 7.00
8 x 8 mm (calibrated)
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2.74ctw Natural Medium Red Pyrope Garnet, Square, VS, Photo A

2.74ctw Natural Medium Red Pyrope Garnet, Square, VS

Pyrope Garnet

2.74ct total6 pcs
$ 25.32
4 x 4 mm (calibrated)
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0.36ct Natural Flamingo Pink Morganite, Round, VS-SI, Photo A

0.36ct Natural Flamingo Pink Morganite, Round, VS-SI

Morganite

0.36ct1 pc
$ 18.00
5 mm (calibrated)
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4.33ctw Natural Deep Red Pyrope Garnet, Marquise, VVS-VS, Photo A

4.33ctw Natural Deep Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

4.33ct total2 pcs
$ 57.32
12 x 6.1 mm
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22.02ct Natural Swiss Blue Topaz, Oval, VVS-VS, Photo A

22.02ct Natural Swiss Blue Topaz, Oval, VVS-VS

Topaz

22.02ct1 pc
$ 216.55
20 x 15 mm (calibrated)
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1.46ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.46ct Natural Multicolor Opal, Oval, Transparent

Opal

1.46ct1 pc
$ 43.80
10 x 7 mm (calibrated)
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4.49ct Natural Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS, Photo A

4.49ct Natural Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS

Citrine

4.49ct1 pc
$ 37.72
11 x 9 mm (calibrated)
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0.52ct Natural Bright Orange Sapphire, Pear Shape, VVS-VS, Photo A

0.52ct Natural Bright Orange Sapphire, Pear Shape, VVS-VS

Sapphire

0.52ct1 pc
$ 29.24
6 x 4 mm (calibrated)
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1.50ctw Natural Dark Red Rubies, Round, VS-SI, Photo A
Ruby Product Video (495577)

1.50ctw Natural Dark Red Rubies, Round, VS-SI

Ruby

1.50ct total6 pcs
$ 237.60
3.5 mm (calibrated)
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2.03ctw Natural Multicolor Andalusite, Oval, VS, Photo A

2.03ctw Natural Multicolor Andalusite, Oval, VS

Andalusite

2.03ct total8 pcs
$ 130.66
5 x 3.1 mm
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11.38ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque, Photo A

11.38ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque

Tourmaline

11.38ct1 pc
$ 68.28
16 x 9.3 mm
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0.48ct Natural Light Baby Blue Sapphire, Heart, VS, Photo A

0.48ct Natural Light Baby Blue Sapphire, Heart, VS

Sapphire

0.48ct1 pc
$ 40.32
5.3 x 5.1 mm
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0.64ct Natural Very Light Yellow Color-Change Diaspore, Pear Shape, VVS-VS, Photo A

0.64ct Natural Very Light Yellow Color-Change Diaspore, Pear Shape, VVS-VS

Color-Change Diaspore

0.64ct1 pc
$ 27.04
10 x 3.6 mm
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0.66ct Natural Lavender Sapphire, Oval, VVS-VS, Photo A

0.66ct Natural Lavender Sapphire, Oval, VVS-VS

Sapphire

0.66ct1 pc
$ 87.12
6 x 5.2 mm
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2.75ct Natural Warm Green Fluorite, Pear Shape, Transparent, Photo A

2.75ct Natural Warm Green Fluorite, Pear Shape, Transparent

Fluorite

2.75ct1 pc
$ 13.60
10 x 7 mm (calibrated)
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0.87ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS, Photo A

0.87ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS

Color-Change Diaspore

0.87ct1 pc
$ 32.16
5.8 x 4.8 mm
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4.29ctw Natural Light Lively Green Peridot, Round, VS, Photo A

4.29ctw Natural Light Lively Green Peridot, Round, VS

Peridot

4.29ct total5 pcs
$ 50.52
5.7 mm
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191.78ct Natural Multicolor Rhodochrosite, Fancy, Opaque, Photo A
Rhodochrosite Product Video (471433)

191.78ct Natural Multicolor Rhodochrosite, Fancy, Opaque

Rhodochrosite

191.78ct1 pc
$ 210.12
50.3 x 27.8 mm
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1.15ct Natural Light Laguna Yellow Beryl, Oval, VVS-VS, Photo A

1.15ct Natural Light Laguna Yellow Beryl, Oval, VVS-VS

Beryl

1.15ct1 pc
$ 30.36
8.2 x 6.3 mm
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5.59ct Natural Purplish Blue Chalcedony, Cushion, Translucent, Photo A

5.59ct Natural Purplish Blue Chalcedony, Cushion, Translucent

Chalcedony

5.59ct1 pc
$ 25.15
12 x 12 mm (calibrated)
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1.09ct Natural Brownish Green Tourmaline, Oval, VS, Photo A

1.09ct Natural Brownish Green Tourmaline, Oval, VS

Tourmaline

1.09ct1 pc
$ 49.98
6.2 x 5.7 mm
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21.29ct Natural Very Light Grey Jadeite, Oval, Translucent, Photo A

21.29ct Natural Very Light Grey Jadeite, Oval, Translucent

Jadeite

21.29ct1 pc
$ 30.64
18.8 x 17.8 mm
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5.27ct Natural Multicolor Boulder Opal, Fancy, Opaque, Photo A

5.27ct Natural Multicolor Boulder Opal, Fancy, Opaque

Boulder Opal

5.27ct1 pc
$ 26.35
17.4 x 10.1 mm
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14.44ct Natural Deep Purplish Violet Amethyst, Octagon / Emerald Cut, VVS-VS, Photo A

14.44ct Natural Deep Purplish Violet Amethyst, Octagon / Emerald Cut, VVS-VS

Amethyst

14.44ct1 pc
$ 121.30
18 x 13 mm (calibrated)
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1.16ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS, Photo A

1.16ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.16ct1 pc
$ 27.84
7.5 x 5.9 mm
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1.31ct Natural Deep Orange Sphalerite, Round, SI, Photo A

1.31ct Natural Deep Orange Sphalerite, Round, SI

Sphalerite

1.31ct1 pc
$ 78.60
6.5 mm (calibrated)
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1.23ct Natural Light Pink Strawberry Quartz, Oval, Translucent, Photo A

1.23ct Natural Light Pink Strawberry Quartz, Oval, Translucent

Strawberry Quartz

1.23ct1 pc
$ 6.73
7 x 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 -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate
Enlarged Gemstone Image