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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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2.05ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS-VS, Photo A

2.05ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS-VS

Topaz

2.05ct1 pc
$ 16.33
8 x 6 mm (calibrated)
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2.16ct Natural Medium Orange Zircon, Round, VVS, Photo A

2.16ct Natural Medium Orange Zircon, Round, VVS

Zircon

2.16ct1 pc
$ 66.27
7 mm (calibrated)
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2.85ct Natural Black Star Diopside, Baguette, Opaque, Photo A

2.85ct Natural Black Star Diopside, Baguette, Opaque

Star Diopside

2.85ct1 pc
$ 14.19
8 x 6 mm (calibrated)
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1.24ct Natural Deep Orange Hessonite Garnet, Oval, VS, Photo A

1.24ct Natural Deep Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.24ct1 pc
$ 24.70
7.4 x 5.9 mm
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0.89ct Natural Medium Orange Tourmaline, Round, Transparent, Photo A

0.89ct Natural Medium Orange Tourmaline, Round, Transparent

Tourmaline

0.89ct1 pc
$ 26.59
6 mm (calibrated)
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5.49ct Natural Medium-Dark Golden Citrine, Oval, VVS, Photo A

5.49ct Natural Medium-Dark Golden Citrine, Oval, VVS

Citrine

5.49ct1 pc
$ 36.09
13.3 x 10.6 mm
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3.13ct Natural Intense Violet Amethyst, Trillion, VS, Photo A

3.13ct Natural Intense Violet Amethyst, Trillion, VS

Amethyst

3.13ct1 pc
$ 23.46
10 x 10 mm (calibrated)
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0.64ct Natural Medium Dark-Orange Sphalerite, Round, SI-I1, Photo A

0.64ct Natural Medium Dark-Orange Sphalerite, Round, SI-I1

Sphalerite

0.64ct1 pc
$ 31.87
5 mm (calibrated)
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0.37ct Natural Amber Orange Spessartite Garnet, Round, SI, Photo A

0.37ct Natural Amber Orange Spessartite Garnet, Round, SI

Spessartite Garnet

0.37ct1 pc
$ 12.53
4.3 mm
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12.91ct Natural Dark Green Serpentine, Oval, Translucent, Photo A

12.91ct Natural Dark Green Serpentine, Oval, Translucent

Serpentine

12.91ct1 pc
$ 27.65
20 x 15 mm (calibrated)
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4.87ct Natural Light Pink-Violet Amethyst, Pear Shape, Transparent, Photo A

4.87ct Natural Light Pink-Violet Amethyst, Pear Shape, Transparent

Amethyst

4.87ct1 pc
$ 29.10
14.7 x 9.4 mm
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8.39ct Natural Warm Green Opal, Oval, Opaque, Photo A

8.39ct Natural Warm Green Opal, Oval, Opaque

Opal

8.39ct1 pc
$ 19.46
17.2 x 12.1 mm
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4.69ct Natural Yellow Green Quartz, Flower Cut, Transparent, Photo A

4.69ct Natural Yellow Green Quartz, Flower Cut, Transparent

Quartz

4.69ct1 pc
$ 12.59
10 x 10 mm (calibrated)
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25.71ct Natural Sky Blue Topaz, Cushion, VVS-VS, Photo A
Topaz Product Video (615312)

25.71ct Natural Sky Blue Topaz, Cushion, VVS-VS

Topaz

25.71ct1 pc
$ 164.32
19.1 x 14.8 mm
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2.07ctw Natural Egyptian Blue Kyanite, Oval, SI, Photo A

2.07ctw Natural Egyptian Blue Kyanite, Oval, SI

Kyanite

2.07ct total2 pcs
$ 43.09
7 x 5 mm (calibrated)
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89.31ct Natural Greenish Blue Aquamarine, Pear Shape, Translucent, Photo A
Aquamarine Product Video (690226)

89.31ct Natural Greenish Blue Aquamarine, Pear Shape, Translucent

Aquamarine

89.31ct1 pc
$ 400.28
37.6 x 30.2 mm
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27.68ct Natural Multicolor Obsidian, Oval, Opaque, Photo A

27.68ct Natural Multicolor Obsidian, Oval, Opaque

Obsidian

27.68ct1 pc
$ 30.33
27 x 20 mm (calibrated)
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6.45ctw Natural Sky Blue Topaz, Heart, VS, Photo A

6.45ctw Natural Sky Blue Topaz, Heart, VS

Topaz

6.45ct total2 pcs
$ 45.92
9 x 9 mm (calibrated)
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24.82ctw Natural Multicolor Jasper, Fancy, Opaque, Photo A

24.82ctw Natural Multicolor Jasper, Fancy, Opaque

Jasper

24.82ct total2 pcs
$ 14.58
26.1 x 12.6 mm
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23.27ct Natural Multicolor Jasper, Oval, Opaque, Photo A

23.27ct Natural Multicolor Jasper, Oval, Opaque

Jasper

23.27ct1 pc
$ 25.50
35.4 x 13.1 mm
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1.27ctw Natural Dark Blue Kyanite, Oval, I1, Photo A

1.27ctw Natural Dark Blue Kyanite, Oval, I1

Kyanite

1.27ct total2 pcs
$ 27.83
6.5 x 4.3 mm
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5.29ct Natural Medium Blue Zircon, Oval, VVS, Photo A
Zircon Product Video (487227)

5.29ct Natural Medium Blue Zircon, Oval, VVS

Zircon

5.29ct1 pc
$ 579.57
9 x 7.6 mm
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0.53ct Natural Medium Orange Sphalerite, Round, SI, Photo A

0.53ct Natural Medium Orange Sphalerite, Round, SI

Sphalerite

0.53ct1 pc
$ 26.39
4.5 mm (calibrated)
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1.04ct Natural Light Green Emerald, Round, Translucent, Photo A

1.04ct Natural Light Green Emerald, Round, Translucent

Emerald

1.04ct1 pc
$ 72.51
6 mm (calibrated)
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11.26ct Natural Schorl Tourmaline, Oval, Opaque, Photo A

11.26ct Natural Schorl Tourmaline, Oval, Opaque

Tourmaline

11.26ct1 pc
$ 56.07
15.8 x 11.2 mm
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1.23ctw Natural Amber Orange Zircon, Oval, VVS, Photo A

1.23ctw Natural Amber Orange Zircon, Oval, VVS

Zircon

1.23ct total2 pcs
$ 30.63
5.3 x 4 mm
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8.16ctw Natural Swiss Blue Topaz, Octagon / Emerald Cut, VS, Photo A

8.16ctw Natural Swiss Blue Topaz, Octagon / Emerald Cut, VS

Topaz

8.16ct total4 pcs
$ 54.35
8 x 6 mm (calibrated)
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0.85ctw Natural Deep Orange-Gold Sapphire, Heart, VVS-VS, Photo A

0.85ctw Natural Deep Orange-Gold Sapphire, Heart, VVS-VS

Sapphire

0.85ct total2 pcs
$ 52.49
4.6 x 4.5 mm
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0.56ct Natural Bright Red Sapphire, Oval, VVS-VS, Photo A

0.56ct Natural Bright Red Sapphire, Oval, VVS-VS

Sapphire

0.56ct1 pc
$ 83.66
6 x 4 mm (calibrated)
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1.04ct Natural Medium Red Ruby, Round, VS, Photo A

1.04ct Natural Medium Red Ruby, Round, VS

Ruby

1.04ct1 pc
$ 93.23
5.5 mm (calibrated)
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3.07ctw Natural Blackish Red Pyrope Garnet, Heart, VVS-VS, Photo A

3.07ctw Natural Blackish Red Pyrope Garnet, Heart, VVS-VS

Pyrope Garnet

3.07ct total4 pcs
$ 23.55
6 x 6 mm (calibrated)
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2.69ct Natural Multicolor Labradorite, Baguette, Translucent, Photo A

2.69ct Natural Multicolor Labradorite, Baguette, Translucent

Labradorite

2.69ct1 pc
$ 3.69
9 x 7 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

I do enjoy this website and the wide selection. I would like to see more untreated stones. I also wasn't able to see my past order when I logged in.

Posted By Great selection, ok website in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
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