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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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5.07ct Natural Cornflower Blue Sapphire, Oval, VS, Photo A
Sapphire Product Video (439690)

5.07ct Natural Cornflower Blue Sapphire, Oval, VS

Sapphire

5.07ct1 pc
$ 18,738.72
12 x 8 mm (calibrated)
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0.78ct Natural Yellowish Brown Tiger's Eye, Pear Shape, Opaque, Photo A

0.78ct Natural Yellowish Brown Tiger's Eye, Pear Shape, Opaque

Tiger's Eye

0.78ct1 pc
$ 1.21
6.1 x 5.7 mm
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0.47ctw Natural Navy Blue Kyanite, Round, VS-SI, Photo A

0.47ctw Natural Navy Blue Kyanite, Round, VS-SI

Kyanite

0.47ct total2 pcs
$ 10.15
3.5 mm (calibrated)
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6.22ct Natural Medium Light Purplish-Violet Amethyst, Pear Shape, Transparent, Photo A

6.22ct Natural Medium Light Purplish-Violet Amethyst, Pear Shape, Transparent

Amethyst

6.22ct1 pc
$ 44.78
16.4 x 9.5 mm
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1.35ctw Natural Golden Sapphire, Oval, VVS-VS, Photo A

1.35ctw Natural Golden Sapphire, Oval, VVS-VS

Sapphire

1.35ct total2 pcs
$ 89.51
6 x 4.9 mm
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8.62ct Natural Multicolor Agate, Fancy, Translucent, Photo A

8.62ct Natural Multicolor Agate, Fancy, Translucent

Agate

8.62ct1 pc
$ 18.19
17.1 x 7.2 mm
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2.52ctw Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent, Photo A

2.52ctw Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

2.52ct total2 pcs
$ 9.59
7 x 5 mm (calibrated)
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1.13ct Natural Light Golden-Yellow Citrine, Round, VS, Photo A

1.13ct Natural Light Golden-Yellow Citrine, Round, VS

Citrine

1.13ct1 pc
$ 9.04
7 mm (calibrated)
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1.09ct Natural Golden-Brown Zircon, Oval, VVS, Photo A

1.09ct Natural Golden-Brown Zircon, Oval, VVS

Zircon

1.09ct1 pc
$ 19.62
6.1 x 4.9 mm
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0.93ctw Natural Medium Green Peridot, Pear Shape, VVS-VS, Photo A

0.93ctw Natural Medium Green Peridot, Pear Shape, VVS-VS

Peridot

0.93ct total2 pcs
$ 9.82
6 x 4 mm (calibrated)
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1.03ctw Natural Bright Red Sapphire, Trillion, VS, Photo A

1.03ctw Natural Bright Red Sapphire, Trillion, VS

Sapphire

1.03ct total3 pcs
$ 120.89
4 x 4 mm (calibrated)
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0.52ct Natural Deep Green Tourmaline, Baguette, VVS-VS, Photo A

0.52ct Natural Deep Green Tourmaline, Baguette, VVS-VS

Tourmaline

0.52ct1 pc
$ 21.84
5 x 3.7 mm
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0.95ct Natural Forest Green Tourmaline, Baguette, VVS, Photo A

0.95ct Natural Forest Green Tourmaline, Baguette, VVS

Tourmaline

0.95ct1 pc
$ 39.90
8.9 x 3.3 mm
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1.21ct Natural Medium Light Brown Color-Change Garnet, Oval, VS, Photo A

1.21ct Natural Medium Light Brown Color-Change Garnet, Oval, VS

Color-Change Garnet

1.21ct1 pc
$ 116.46
6.4 x 5.3 mm
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3.10ctw Natural Navy Blue Star Sapphire, Oval, Opaque, Photo A

3.10ctw Natural Navy Blue Star Sapphire, Oval, Opaque

Star Sapphire

3.10ct total2 pcs
$ 85.56
7 x 5.3 mm
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1.58ct Natural Dark Pink Tourmaline, Octagon / Emerald Cut, VS, Photo A

1.58ct Natural Dark Pink Tourmaline, Octagon / Emerald Cut, VS

Tourmaline

1.58ct1 pc
$ 137.65
6.5 x 5.9 mm
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2.25ct Natural Deep Red Almandine Garnet, Oval, VS, Photo A

2.25ct Natural Deep Red Almandine Garnet, Oval, VS

Almandine Garnet

2.25ct1 pc
$ 101.25
9 x 7 mm (calibrated)
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2.65ctw Natural Deep Blue Kyanite, Oval, SI, Photo A

2.65ctw Natural Deep Blue Kyanite, Oval, SI

Kyanite

2.65ct total2 pcs
$ 66.47
8 x 6 mm (calibrated)
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1.54ctw Natural Teal Sapphire, Briolette, VS, Photo A
Sapphire Product Video (734004)

1.54ctw Natural Teal Sapphire, Briolette, VS

Sapphire

1.54ct total2 pcs
$ 166.32
6 x 4 mm (calibrated)
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2.93ctw Natural Black Onyx, Round, Opaque, Photo A

2.93ctw Natural Black Onyx, Round, Opaque

Onyx

2.93ct total2 pcs
$ 5.86
7 mm (calibrated)
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1.88ct Natural Medium Golden Citrine, Round, VVS-VS, Photo A

1.88ct Natural Medium Golden Citrine, Round, VVS-VS

Citrine

1.88ct1 pc
$ 18.05
8 mm (calibrated)
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10.38ct Natural Multicolor Agate, Round, Opaque, Photo A

10.38ct Natural Multicolor Agate, Round, Opaque

Agate

10.38ct1 pc
$ 12.46
13 mm (calibrated)
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1.90ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS, Photo A

1.90ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS

Amethyst

1.90ct1 pc
$ 13.68
10 x 7 mm (calibrated)
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2.37ctw Natural Dark Red Rhodolite Garnet, Square, VS, Photo A

2.37ctw Natural Dark Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

2.37ct total4 pcs
$ 25.00
5 x 5 mm (calibrated)
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0.45ct Natural Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent, Photo A

0.45ct Natural Yellowish Green Chrysoberyl Cat's Eye, Oval, Translucent

Chrysoberyl Cat's Eye

0.45ct1 pc
$ 16.20
5 x 4 mm (calibrated)
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1.39ct Natural Navy Blue Kyanite, Oval, VS-SI, Photo A

1.39ct Natural Navy Blue Kyanite, Oval, VS-SI

Kyanite

1.39ct1 pc
$ 34.86
8 x 6 mm (calibrated)
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1.59ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.59ct Natural Multicolor Opal, Oval, Translucent

Opal

1.59ct1 pc
$ 47.70
9.3 x 7.4 mm
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25.62ct Natural Multicolor Pietersite, Oval, Opaque, Photo A
Pietersite Product Video (371478)

25.62ct Natural Multicolor Pietersite, Oval, Opaque

Pietersite

25.62ct1 pc
$ 135.28
30 x 22 mm (calibrated)
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1.58ct Natural Iris Violet Amethyst, Marquise, VS, Photo A

1.58ct Natural Iris Violet Amethyst, Marquise, VS

Amethyst

1.58ct1 pc
$ 14.60
12.1 x 6.2 mm
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0.70ct Natural Earthy Yellow Color-Change Diaspore, Pear Shape, VVS-VS, Photo A

0.70ct Natural Earthy Yellow Color-Change Diaspore, Pear Shape, VVS-VS

Color-Change Diaspore

0.70ct1 pc
$ 29.57
9 x 3.9 mm
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1.50ctw Natural Bright Gold Citrine, Trillion, VVS-VS, Photo A

1.50ctw Natural Bright Gold Citrine, Trillion, VVS-VS

Citrine

1.50ct total2 pcs
$ 12.60
6 x 6 mm (calibrated)
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2.99ct Natural Medium Yellow Sapphire, Oval, VS, Photo A
Sapphire Product Video (734652)

2.99ct Natural Medium Yellow Sapphire, Oval, VS

Sapphire

2.99ct1 pc
$ 430.56
9.1 x 6.5 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 -> 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

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 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

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
Source: Bizrate
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