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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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10.62ct Natural Greenish Blue Grandidierite, Oval, SI, Photo A
Grandidierite Product Video (548058)

10.62ct Natural Greenish Blue Grandidierite, Oval, SI

Grandidierite

10.62ct1 pc
$ 349.06
15.3 x 13.1 mm
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4.39ctw Natural White Zircon, Oval, VVS-VS, Photo A

4.39ctw Natural White Zircon, Oval, VVS-VS

Zircon

4.39ct total6 pcs
$ 26.16
6 x 4 mm (calibrated)
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0.99ct Natural Deep Orange-Gold Sapphire, Round, VVS, Photo A

0.99ct Natural Deep Orange-Gold Sapphire, Round, VVS

Sapphire

0.99ct1 pc
$ 195.23
5.5 mm (calibrated)
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0.75ctw Natural White Sapphire, Round, VS, Photo A

0.75ctw Natural White Sapphire, Round, VS

Sapphire

0.75ct total2 pcs
$ 91.18
4.3 mm
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80.40ctw Natural Black Gray Hematite, Pear Shape, Opaque, Photo A

80.40ctw Natural Black Gray Hematite, Pear Shape, Opaque

Hematite

80.40ct total2 pcs
$ 78.40
24.8 x 19.5 mm
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3.86ctw Natural Sky Blue Topaz, Fancy, VVS-VS, Photo A

3.86ctw Natural Sky Blue Topaz, Fancy, VVS-VS

Topaz

3.86ct total4 pcs
$ 21.15
7 x 5 mm (calibrated)
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0.56ctw Natural Dark Blue Kyanite, Round, VS, Photo A

0.56ctw Natural Dark Blue Kyanite, Round, VS

Kyanite

0.56ct total2 pcs
$ 11.62
3.7 mm
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0.99ct Natural Bright Green Peridot, Octagon / Emerald Cut, VS, Photo A

0.99ct Natural Bright Green Peridot, Octagon / Emerald Cut, VS

Peridot

0.99ct1 pc
$ 14.79
7 x 5 mm (calibrated)
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2.92ct Natural Purplish Violet Amethyst, Trillion, VS, Photo A

2.92ct Natural Purplish Violet Amethyst, Trillion, VS

Amethyst

2.92ct1 pc
$ 22.39
10 x 10 mm (calibrated)
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1.87ct Natural Peach Orange Moonstone, Square, Translucent, Photo A

1.87ct Natural Peach Orange Moonstone, Square, Translucent

Moonstone

1.87ct1 pc
$ 3.74
7 x 7 mm (calibrated)
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1.96ctw Natural Dark Red Pyrope Garnet, Heart, VVS-VS, Photo A

1.96ctw Natural Dark Red Pyrope Garnet, Heart, VVS-VS

Pyrope Garnet

1.96ct total2 pcs
$ 15.03
6 x 6 mm (calibrated)
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2.37ct Natural Pale Green  Prehnite, Oval, Transparent/Translucent, Photo A

2.37ct Natural Pale Green Prehnite, Oval, Transparent/Translucent

Prehnite

2.37ct1 pc
$ 7.01
8.8 x 8.2 mm
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3.82ctw Natural Amber Orange Hessonite Garnet, Oval, VS-SI, Photo A

3.82ctw Natural Amber Orange Hessonite Garnet, Oval, VS-SI

Hessonite Garnet

3.82ct total2 pcs
$ 63.69
8.2 x 6.7 mm
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0.55ct Natural Amber Orange Clinohumite, Round, SI, Photo A

0.55ct Natural Amber Orange Clinohumite, Round, SI

Clinohumite

0.55ct1 pc
$ 27.39
5.3 mm
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4.13ctw Natural White Zircon, Oval, VVS-VS, Photo A

4.13ctw Natural White Zircon, Oval, VVS-VS

Zircon

4.13ct total4 pcs
$ 24.52
7 x 5 mm (calibrated)
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14.61ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

14.61ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

14.61ct1 pc
$ 291.03
22.9 x 13.7 mm
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56.12ct Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

56.12ct Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

56.12ct1 pc
$ 27.67
38.2 x 27.9 mm
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2.59ctw Natural White Zircon, Oval, VS-SI, Photo A

2.59ctw Natural White Zircon, Oval, VS-SI

Zircon

2.59ct total2 pcs
$ 25.15
7 x 5 mm (calibrated)
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29.68ct Natural Medium Grey Hematite, Pear Shape, Opaque, Photo A
Hematite Product Video (516396)

29.68ct Natural Medium Grey Hematite, Pear Shape, Opaque

Hematite

29.68ct1 pc
$ 28.94
26.3 x 16.1 mm
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11.97ct Natural Medium Violet Amethyst, Fancy, Transparent, Photo A

11.97ct Natural Medium Violet Amethyst, Fancy, Transparent

Amethyst

11.97ct1 pc
$ 35.76
20 x 15 mm (calibrated)
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3.61ct Natural Deep Violet Amethyst, Oval, Transparent, Photo A

3.61ct Natural Deep Violet Amethyst, Oval, Transparent

Amethyst

3.61ct1 pc
$ 21.57
11 x 9 mm (calibrated)
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2.46ct Natural Deep Red Almandine Garnet, Oval, VS, Photo A

2.46ct Natural Deep Red Almandine Garnet, Oval, VS

Almandine Garnet

2.46ct1 pc
$ 91.88
9 x 7 mm (calibrated)
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7.33ct Natural Light Green Blue Grandidierite, Octagon / Emerald Cut, SI-I1, Photo A
Grandidierite Product Video (547738)

7.33ct Natural Light Green Blue Grandidierite, Octagon / Emerald Cut, SI-I1

Grandidierite

7.33ct1 pc
$ 240.92
16 x 9 mm
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15.48ct Natural Black Star Sapphire, Oval, Opaque, Photo A

15.48ct Natural Black Star Sapphire, Oval, Opaque

Star Sapphire

15.48ct1 pc
$ 200.44
13.9 x 13.4 mm
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18.72ct Natural Multicolor Pietersite, Oval, Opaque, Photo A

18.72ct Natural Multicolor Pietersite, Oval, Opaque

Pietersite

18.72ct1 pc
$ 82.04
30 x 22 mm (calibrated)
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0.82ct Natural Flamingo Pink Morganite, Oval, VVS-VS, Photo A

0.82ct Natural Flamingo Pink Morganite, Oval, VVS-VS

Morganite

0.82ct1 pc
$ 71.87
8 x 5.2 mm
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12.79ct Natural Light Yellow Quartz, Octagon / Emerald Cut, VVS, Photo A

12.79ct Natural Light Yellow Quartz, Octagon / Emerald Cut, VVS

Quartz

12.79ct1 pc
$ 63.69
16 x 16 mm (calibrated)
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5.18ct Natural Medium-Light Violet Amethyst, Oval, Transparent, Photo A

5.18ct Natural Medium-Light Violet Amethyst, Oval, Transparent

Amethyst

5.18ct1 pc
$ 30.31
12 x 10 mm (calibrated)
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1.93ct Natural Vivid Violet Amethyst, Heart, Transparent, Photo A

1.93ct Natural Vivid Violet Amethyst, Heart, Transparent

Amethyst

1.93ct1 pc
$ 13.45
8 x 8 mm (calibrated)
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1.39ctw Natural White Zircon, Round, VS, Photo A

1.39ctw Natural White Zircon, Round, VS

Zircon

1.39ct total2 pcs
$ 36.55
5 mm (calibrated)
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0.83ctw Natural Golden Orange Citrine, Oval, VVS-VS, Photo A

0.83ctw Natural Golden Orange Citrine, Oval, VVS-VS

Citrine

0.83ct total2 pcs
$ 5.46
6 x 4 mm (calibrated)
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10.04ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent, Photo A

10.04ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent

Rainbow Moonstone

10.04ct1 pc
$ 179.99
18 x 11.6 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 -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was great

Posted By Nik in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Could not get it to work 25 times.

Posted By Dock in July, 2026
Source: Bizrate

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
Source: Bizrate
Enlarged Gemstone Image