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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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2.62ctw Natural Pastel Blue Tanzanite, Oval, VS, Photo A
Tanzanite Product Video (445766)

2.62ctw Natural Pastel Blue Tanzanite, Oval, VS

Tanzanite

2.62ct total5 pcs
$ 215.29
6.3 x 4.4 mm
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21.70ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque, Photo A
Nuummite Product Video (645620)

21.70ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque

Nuummite

21.70ct1 pc
$ 89.04
18.5 x 15.9 mm
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6.11ct Natural Pale Reddish Orange Andesine Labradorite, Cushion, Translucent, Photo A

6.11ct Natural Pale Reddish Orange Andesine Labradorite, Cushion, Translucent

Andesine Labradorite

6.11ct1 pc
$ 76.07
15 x 10 mm (calibrated)
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1.86ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS, Photo A

1.86ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS

Topaz

1.86ct1 pc
$ 14.82
8 x 6 mm (calibrated)
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1.63ctw Natural Clear White Sapphire, Round, VS, Photo A
Sapphire Product Video (445204)

1.63ctw Natural Clear White Sapphire, Round, VS

Sapphire

1.63ct total4 pcs
$ 214.99
4.5 mm (calibrated)
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2.86ct Natural Sky Blue Topaz, Octagon / Emerald Cut, VVS-VS, Photo A

2.86ct Natural Sky Blue Topaz, Octagon / Emerald Cut, VVS-VS

Topaz

2.86ct1 pc
$ 22.22
8 x 8 mm (calibrated)
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0.73ct Natural Medium Orange Hessonite Garnet, Cushion, VS, Photo A

0.73ct Natural Medium Orange Hessonite Garnet, Cushion, VS

Hessonite Garnet

0.73ct1 pc
$ 10.86
5 x 5 mm (calibrated)
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8.57ctw Natural Black Onyx, Heart, Opaque, Photo A

8.57ctw Natural Black Onyx, Heart, Opaque

Onyx

8.57ct total2 pcs
$ 8.53
10.5 x 10.3 mm
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1.66ct Natural Dark Red Almandine Garnet, Baguette, VVS, Photo A

1.66ct Natural Dark Red Almandine Garnet, Baguette, VVS

Almandine Garnet

1.66ct1 pc
$ 62.00
9.9 x 5 mm
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4.43ct Natural Flamingo Pink Morganite, Oval, Transparent, Photo A

4.43ct Natural Flamingo Pink Morganite, Oval, Transparent

Morganite

4.43ct1 pc
$ 48.54
12 x 10 mm (calibrated)
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1.66ctw Natural White Zircon, Oval, VVS, Photo A

1.66ctw Natural White Zircon, Oval, VVS

Zircon

1.66ct total2 pcs
$ 10.11
6 x 4 mm (calibrated)
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7.45ct Natural Multicolor Agate, Oval, Opaque, Photo A

7.45ct Natural Multicolor Agate, Oval, Opaque

Agate

7.45ct1 pc
$ 12.62
12.7 x 11.4 mm
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2.15ct Natural Medium Orange Hessonite Garnet, Cushion, VS-SI, Photo A

2.15ct Natural Medium Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

2.15ct1 pc
$ 34.84
7 x 7 mm (calibrated)
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6.04ctw Natural Warm Brown Tiger's Eye, Oval, Opaque, Photo A

6.04ctw Natural Warm Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

6.04ct total2 pcs
$ 9.02
10 x 8 mm (calibrated)
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18.46ct Natural Bluish White Rainbow Moonstone, Marquise, Transparent, Photo A

18.46ct Natural Bluish White Rainbow Moonstone, Marquise, Transparent

Rainbow Moonstone

18.46ct1 pc
$ 147.09
26.9 x 11.2 mm
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1.36ct Natural Deep Orange Hessonite Garnet, Oval, VS, Photo A

1.36ct Natural Deep Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.36ct1 pc
$ 27.09
7.3 x 6.1 mm
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3.22ct Natural Purplish Blue Chalcedony, Oval, Transparent, Photo A

3.22ct Natural Purplish Blue Chalcedony, Oval, Transparent

Chalcedony

3.22ct1 pc
$ 6.42
11 x 9 mm (calibrated)
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1.65ctw Natural Swiss Blue Topaz, Pear Shape, VS, Photo A

1.65ctw Natural Swiss Blue Topaz, Pear Shape, VS

Topaz

1.65ct total2 pcs
$ 12.66
7 x 5 mm (calibrated)
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0.73ct Natural Medium Light-Purple Sapphire, Oval, VVS, Photo A

0.73ct Natural Medium Light-Purple Sapphire, Oval, VVS

Sapphire

0.73ct1 pc
$ 87.25
6 x 4.2 mm
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34.67ct Natural Raspberry Red Ruby-Zoisite, Fancy, Opaque, Photo A

34.67ct Natural Raspberry Red Ruby-Zoisite, Fancy, Opaque

Ruby-Zoisite

34.67ct1 pc
$ 69.06
22.7 x 16.2 mm
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5.25ctw Natural Sky Blue Topaz, Briolette, VVS-VS, Photo A

5.25ctw Natural Sky Blue Topaz, Briolette, VVS-VS

Topaz

5.25ct total2 pcs
$ 28.77
8 x 6 mm (calibrated)
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1.52ct Natural Medium Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS, Photo A

1.52ct Natural Medium Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS

Citrine

1.52ct1 pc
$ 12.11
8 x 6 mm (calibrated)
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1.13ct Natural Medium Dark-Orange Zircon, Round, VS, Photo A

1.13ct Natural Medium Dark-Orange Zircon, Round, VS

Zircon

1.13ct1 pc
$ 26.96
6 mm (calibrated)
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6.12ct Natural Very Light Golden-Brown Rutile Quartz, Round, Transparent, Photo A

6.12ct Natural Very Light Golden-Brown Rutile Quartz, Round, Transparent

Rutile Quartz

6.12ct1 pc
$ 26.83
13 mm (calibrated)
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0.65ct Natural Medium Red Sapphire, Cushion, VVS, Photo A

0.65ct Natural Medium Red Sapphire, Cushion, VVS

Sapphire

0.65ct1 pc
$ 35.27
4.5 x 4.5 mm
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34.18ct Natural Clear White Quartz, Fancy, Transparent, Photo A

34.18ct Natural Clear White Quartz, Fancy, Transparent

Quartz

34.18ct1 pc
$ 37.45
27.9 x 24.8 mm
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13.77ct Natural Light Greenish Blue Larimar, Oval, Opaque, Photo A

13.77ct Natural Light Greenish Blue Larimar, Oval, Opaque

Larimar

13.77ct1 pc
$ 164.40
20 x 15 mm (calibrated)
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26.25ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque, Photo A

26.25ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque

Tourmaline

26.25ct1 pc
$ 130.73
17.5 x 15.5 mm
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3.56ctw Natural Swiss Blue Topaz, Pear Shape, VS, Photo A

3.56ctw Natural Swiss Blue Topaz, Pear Shape, VS

Topaz

3.56ct total6 pcs
$ 27.30
6.2 x 4.2 mm
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0.57ct Natural Medium Violet Amethyst, Octagon / Emerald Cut, VS, Photo A

0.57ct Natural Medium Violet Amethyst, Octagon / Emerald Cut, VS

Amethyst

0.57ct1 pc
$ 3.31
6 x 4 mm (calibrated)
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13.73ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque, Photo A

13.73ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque

Nuummite

13.73ct1 pc
$ 56.34
20 x 15 mm (calibrated)
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11.64ct Natural Medium Red Sphalerite, Oval, VS-SI, Photo A
Sphalerite Product Video (749859)

11.64ct Natural Medium Red Sphalerite, Oval, VS-SI

Sphalerite

11.64ct1 pc
$ 966.12
15.2 x 11.7 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!

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I've made several purchases over the last 8 years and I've never been less than happy with any of them.

Posted By Jess in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good, hope gem quality is good and genuine

Posted By Varun in May, 2026
Source: Bizrate

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
Source: Bizrate

Overall Rating -> 9 star ratings

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

Posted By Jim in January, 2026
Source: Bizrate
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