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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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34.49ct Natural White with Black Rainbow Moonstone, Fancy, Opaque, Photo A

34.49ct Natural White with Black Rainbow Moonstone, Fancy, Opaque

Rainbow Moonstone

34.49ct1 pc
$ 12.42
41.2 x 10.4 mm
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7.05ct Natural Clear with Inclusion Rutile Quartz, Marquise, Transparent, Photo A

7.05ct Natural Clear with Inclusion Rutile Quartz, Marquise, Transparent

Rutile Quartz

7.05ct1 pc
$ 20.20
23.1 x 8.7 mm
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0.50ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.50ct Natural Multicolor Opal, Oval, Opaque

Opal

0.50ct1 pc
$ 18.00
7 x 5 mm (calibrated)
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1.73ct Natural Medium Violet Amethyst, Marquise, VS, Photo A

1.73ct Natural Medium Violet Amethyst, Marquise, VS

Amethyst

1.73ct1 pc
$ 15.98
12.2 x 6 mm
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1.82ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.82ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.82ct1 pc
$ 7.21
8 x 6 mm (calibrated)
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0.61ct Natural Currant Red Pyrope Garnet, Heart, VS, Photo A

0.61ct Natural Currant Red Pyrope Garnet, Heart, VS

Pyrope Garnet

0.61ct1 pc
$ 18.30
5 x 5 mm (calibrated)
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0.49ct Natural Very Light Royal Purple Pink Sapphire, Oval, VS, Photo A

0.49ct Natural Very Light Royal Purple Pink Sapphire, Oval, VS

Sapphire

0.49ct1 pc
$ 58.80
5.1 x 4.2 mm
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8.04ct Natural Golden Orange Citrine, Oval, VVS, Photo A

8.04ct Natural Golden Orange Citrine, Oval, VVS

Citrine

8.04ct1 pc
$ 74.29
15.2 x 10.8 mm
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3.04ctw Natural Multicolor Opal, Round, Transparent, Photo A

3.04ctw Natural Multicolor Opal, Round, Transparent

Opal

3.04ct total4 pcs
$ 85.51
6.5 mm (calibrated)
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0.92ct Natural Medium Orange Hessonite Garnet, Round, VS, Photo A

0.92ct Natural Medium Orange Hessonite Garnet, Round, VS

Hessonite Garnet

0.92ct1 pc
$ 16.93
5.5 mm (calibrated)
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2.08ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

2.08ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

2.08ct1 pc
$ 82.37
16.3 x 3.9 mm
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18.38ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque, Photo A
Rainbow Pyrite Product Video (645842)

18.38ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque

Rainbow Pyrite

18.38ct1 pc
$ 57.35
17.9 x 16.3 mm
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11.70ct Natural Multicolor Cinnabar, Cushion, Opaque, Photo A

11.70ct Natural Multicolor Cinnabar, Cushion, Opaque

Cinnabar

11.70ct1 pc
$ 16.50
17 x 17 mm (calibrated)
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4.42ct Natural Deep Iris Violet Amethyst, Pear Shape, VVS, Photo A

4.42ct Natural Deep Iris Violet Amethyst, Pear Shape, VVS

Amethyst

4.42ct1 pc
$ 35.00
14 x 10 mm (calibrated)
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3.52ct Natural Warm Green Jade, Oval, Opaque, Photo A

3.52ct Natural Warm Green Jade, Oval, Opaque

Jade

3.52ct1 pc
$ 8.45
12 x 10 mm (calibrated)
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0.36ct Natural Deep Red Ruby, Round, VS, Photo A

0.36ct Natural Deep Red Ruby, Round, VS

Ruby

0.36ct1 pc
$ 143.04
4 mm (calibrated)
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0.70ct Natural Rose Pink Tone Morganite, Oval, VS-SI, Photo A

0.70ct Natural Rose Pink Tone Morganite, Oval, VS-SI

Morganite

0.70ct1 pc
$ 35.00
7.3 x 5.5 mm
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6.05ct Natural Medium Yellow Quartz, Fancy, VVS-VS, Photo A

6.05ct Natural Medium Yellow Quartz, Fancy, VVS-VS

Quartz

6.05ct1 pc
$ 28.12
12 x 8 mm (calibrated)
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11.76ct Natural Multicolor Pietersite, Cushion, Opaque, Photo A

11.76ct Natural Multicolor Pietersite, Cushion, Opaque

Pietersite

11.76ct1 pc
$ 34.72
17.9 x 14.6 mm
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0.48ct Natural Honey Orange Spessartite Garnet, Oval, VS, Photo A

0.48ct Natural Honey Orange Spessartite Garnet, Oval, VS

Spessartite Garnet

0.48ct1 pc
$ 17.28
5 x 4 mm (calibrated)
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0.78ct Natural Medium Green Tourmaline, Octagon / Emerald Cut, VVS, Photo A

0.78ct Natural Medium Green Tourmaline, Octagon / Emerald Cut, VVS

Tourmaline

0.78ct1 pc
$ 23.40
11 x 3.4 mm
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2.41ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

2.41ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

2.41ct1 pc
$ 21.76
10 x 10 mm (calibrated)
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2.00ctw Natural Deep Scarlet Red Pyrope Garnet, Oval, VS, Photo A

2.00ctw Natural Deep Scarlet Red Pyrope Garnet, Oval, VS

Pyrope Garnet

2.00ct total2 pcs
$ 20.88
7 x 5 mm (calibrated)
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6.76ct Natural Umber Brown Smoky Quartz, Round, VVS-VS, Photo A

6.76ct Natural Umber Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

6.76ct1 pc
$ 22.31
12 mm (calibrated)
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21.73ctw Natural Pale Lime Green Prehnite, Fancy, Transparent, Photo A

21.73ctw Natural Pale Lime Green Prehnite, Fancy, Transparent

Prehnite

21.73ct total3 pcs
$ 36.43
16.8 x 11.9 mm
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5.95ct Natural Chocolate Brown Smoky Quartz, Pear Shape, VS, Photo A

5.95ct Natural Chocolate Brown Smoky Quartz, Pear Shape, VS

Smoky Quartz

5.95ct1 pc
$ 14.28
15.1 x 11 mm
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5.25ct Natural Blue Green Grandidierite, Oval, Translucent, Photo A
Grandidierite Product Video (471868)

5.25ct Natural Blue Green Grandidierite, Oval, Translucent

Grandidierite

5.25ct1 pc
$ 485.10
13.3 x 9.9 mm
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1.23ct Natural Cyber Yellow Sphene, Oval, SI, Photo A

1.23ct Natural Cyber Yellow Sphene, Oval, SI

Sphene

1.23ct1 pc
$ 72.17
6.6 x 5.9 mm
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7.17ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

7.17ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

7.17ct1 pc
$ 73.15
15.9 x 9.9 mm
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2.26ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI, Photo A

2.26ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

2.26ct1 pc
$ 46.38
7 x 7 mm (calibrated)
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2.81ct Natural Deep Golden Orange Citrine, Oval, VVS-VS, Photo A

2.81ct Natural Deep Golden Orange Citrine, Oval, VVS-VS

Citrine

2.81ct1 pc
$ 18.55
10 x 8 mm (calibrated)
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0.03ct Natural Black Diamond, Round, Opaque, Photo A

0.03ct Natural Black Diamond, Round, Opaque

Diamond

0.03ct1 pc
$ 28.80
2 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

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Overall Rating -> 10 star ratings

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Posted By Ghs in November, 2025
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Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

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Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
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Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
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Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate
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