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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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4.89ct Natural Multicolor Rainbow Pyrite, Trillion, Opaque, Photo A

4.89ct Natural Multicolor Rainbow Pyrite, Trillion, Opaque

Rainbow Pyrite

4.89ct1 pc
$ 17.19
13 x 11 mm (calibrated)
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1.27ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS, Photo A

1.27ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

1.27ct total6 pcs
$ 44.27
5 x 3 mm (calibrated)
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0.39ct Natural Fire Orange Carnelian, Marquise, Transparent, Photo A

0.39ct Natural Fire Orange Carnelian, Marquise, Transparent

Carnelian

0.39ct1 pc
$ 1.95
8 x 4 mm (calibrated)
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2.05ct Natural Deep Orange Hessonite Garnet, Cushion, SI, Photo A

2.05ct Natural Deep Orange Hessonite Garnet, Cushion, SI

Hessonite Garnet

2.05ct1 pc
$ 34.93
7 x 7 mm (calibrated)
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0.60ct Natural Light Yellow Color-Change Diaspore, Cushion, VS, Photo A

0.60ct Natural Light Yellow Color-Change Diaspore, Cushion, VS

Color-Change Diaspore

0.60ct1 pc
$ 21.03
4.9 x 4.7 mm
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0.30ct Natural Very Light Pink Morganite, Round, VS, Photo A

0.30ct Natural Very Light Pink Morganite, Round, VS

Morganite

0.30ct1 pc
$ 12.45
4.5 mm (calibrated)
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2.32ct Natural Light Yellow Golden Beryl, Round, VVS, Photo A

2.32ct Natural Light Yellow Golden Beryl, Round, VVS

Golden Beryl

2.32ct1 pc
$ 55.92
9 mm (calibrated)
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6.02ct Natural Light Yellow Green Prehnite, Fancy, Translucent, Photo A

6.02ct Natural Light Yellow Green Prehnite, Fancy, Translucent

Prehnite

6.02ct1 pc
$ 9.89
15.4 x 11.3 mm
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67.41ct Natural Multicolor Jasper, Oval, Opaque, Photo A

67.41ct Natural Multicolor Jasper, Oval, Opaque

Jasper

67.41ct1 pc
$ 38.94
46.5 x 29 mm
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0.50ct Natural Forest Green Sapphire, Octagon / Emerald Cut, VVS-VS, Photo A

0.50ct Natural Forest Green Sapphire, Octagon / Emerald Cut, VVS-VS

Sapphire

0.50ct1 pc
$ 47.31
5 x 3 mm (calibrated)
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4.75ctw Natural Lively Green Tsavorite Garnet, Round, VS, Photo A

4.75ctw Natural Lively Green Tsavorite Garnet, Round, VS

Tsavorite Garnet

4.75ct total100 pcs
$ 208.16
2.2 mm
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6.44ct Natural Light Golden Citrine, Briolette, VVS, Photo A

6.44ct Natural Light Golden Citrine, Briolette, VVS

Citrine

6.44ct1 pc
$ 36.35
15.2 x 8.5 mm
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2.61ct Natural Medium-Dark Violet Amethyst, Trillion, VS, Photo A

2.61ct Natural Medium-Dark Violet Amethyst, Trillion, VS

Amethyst

2.61ct1 pc
$ 20.02
10 x 10 mm (calibrated)
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17.86ctw Natural White with Black Dendritic Agate, Pear Shape, Opaque, Photo A

17.86ctw Natural White with Black Dendritic Agate, Pear Shape, Opaque

Dendritic Agate

17.86ct total2 pcs
$ 14.23
18 x 13 mm (calibrated)
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1.47ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

1.47ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.47ct1 pc
$ 32.21
14.1 x 3.3 mm
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11.81ct Natural Earth Green Opal, Oval, Opaque, Photo A

11.81ct Natural Earth Green Opal, Oval, Opaque

Opal

11.81ct1 pc
$ 25.29
17.9 x 13.7 mm
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0.74ct Natural Bright Orange Sapphire, Oval, VVS-VS, Photo A

0.74ct Natural Bright Orange Sapphire, Oval, VVS-VS

Sapphire

0.74ct1 pc
$ 78.24
6 x 4 mm (calibrated)
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1.32ct Natural Lively Green Peridot, Oval, VS, Photo A

1.32ct Natural Lively Green Peridot, Oval, VS

Peridot

1.32ct1 pc
$ 20.25
8 x 6 mm (calibrated)
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0.66ct Natural Very Light Yellow Color-Change Diaspore, Oval, VVS-VS, Photo A

0.66ct Natural Very Light Yellow Color-Change Diaspore, Oval, VVS-VS

Color-Change Diaspore

0.66ct1 pc
$ 23.17
7.1 x 5.4 mm
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0.44ct Natural Light Forest Green Sapphire, Oval, VS, Photo A

0.44ct Natural Light Forest Green Sapphire, Oval, VS

Sapphire

0.44ct1 pc
$ 32.53
5 x 4 mm (calibrated)
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14.42ct Natural Multicolor White Agate, Fancy, Opaque, Photo A

14.42ct Natural Multicolor White Agate, Fancy, Opaque

Agate

14.42ct1 pc
$ 22.84
18.1 x 16.3 mm
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1.70ctw Natural White Zircon, Oval, VVS, Photo A

1.70ctw Natural White Zircon, Oval, VVS

Zircon

1.70ct total2 pcs
$ 10.14
6 x 4 mm (calibrated)
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17.21ctw Natural Cool Green Amazonite, Marquise, Opaque, Photo A

17.21ctw Natural Cool Green Amazonite, Marquise, Opaque

Amazonite

17.21ct total2 pcs
$ 13.71
19.9 x 10.3 mm
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13.26ct Natural Medium Yellow Quartz, Octagon / Emerald Cut, VVS, Photo A

13.26ct Natural Medium Yellow Quartz, Octagon / Emerald Cut, VVS

Quartz

13.26ct1 pc
$ 58.26
16 x 16 mm (calibrated)
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2.09ct Natural Multicolor Spectrolite, Oval, Opaque, Photo A

2.09ct Natural Multicolor Spectrolite, Oval, Opaque

Spectrolite

2.09ct1 pc
$ 9.55
10 x 8 mm (calibrated)
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1.93ctw Natural Teal Sapphire, Briolette, VS, Photo A
Sapphire Product Video (734001)

1.93ctw Natural Teal Sapphire, Briolette, VS

Sapphire

1.93ct total2 pcs
$ 173.01
6.1 x 4.2 mm
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11.50ct Natural Multicolor Opal Triplet, Fancy, Opaque, Photo A
Opal Triplet Product Video (739910)

11.50ct Natural Multicolor Opal Triplet, Fancy, Opaque

Opal Triplet

11.50ct1 pc
$ 286.35
20.5 x 16.6 mm
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3.38ct Natural Olive Green  Prehnite, Oval, Transparent/Translucent, Photo A

3.38ct Natural Olive Green Prehnite, Oval, Transparent/Translucent

Prehnite

3.38ct1 pc
$ 10.00
9.6 x 8.3 mm
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3.70ctw Natural Deep Red Pyrope Garnet, Square, VS, Photo A

3.70ctw Natural Deep Red Pyrope Garnet, Square, VS

Pyrope Garnet

3.70ct total10 pcs
$ 28.38
4 x 4 mm (calibrated)
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41.69ct Natural Warm Green Idocrase, Cushion, Opaque, Photo A

41.69ct Natural Warm Green Idocrase, Cushion, Opaque

Idocrase

41.69ct1 pc
$ 20.77
32.2 x 23.7 mm
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7.66ct Natural Deep Iris Violet Amethyst, Pear Shape, VS, Photo A

7.66ct Natural Deep Iris Violet Amethyst, Pear Shape, VS

Amethyst

7.66ct1 pc
$ 58.75
16 x 12 mm (calibrated)
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14.02ctw Natural Medium Yellow Quartz, Fancy, Transparent, Photo A

14.02ctw Natural Medium Yellow Quartz, Fancy, Transparent

Quartz

14.02ct total2 pcs
$ 53.77
13 x 13 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

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

Posted By Jim in January, 2026
Source: Bizrate

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

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate
Enlarged Gemstone Image