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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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0.52ct Natural Very Light Pink Morganite, Oval, VS, Photo A

0.52ct Natural Very Light Pink Morganite, Oval, VS

Morganite

0.52ct1 pc
$ 23.31
6.6 x 4.8 mm
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1.27ct Natural Deep Orange Hessonite Garnet, Oval, VVS-VS, Photo A

1.27ct Natural Deep Orange Hessonite Garnet, Oval, VVS-VS

Hessonite Garnet

1.27ct1 pc
$ 24.04
7.4 x 5.4 mm
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8.49ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent, Photo A

8.49ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent

Rainbow Moonstone

8.49ct1 pc
$ 126.84
16.4 x 10.8 mm
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6.52ct Natural Warm Green Actinolite Cat's Eye, Oval, Translucent, Photo A

6.52ct Natural Warm Green Actinolite Cat's Eye, Oval, Translucent

Actinolite Cat's Eye

6.52ct1 pc
$ 45.46
14 x 12 mm (calibrated)
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3.64ct Natural Multicolor Pietersite, Round, Opaque, Photo A

3.64ct Natural Multicolor Pietersite, Round, Opaque

Pietersite

3.64ct1 pc
$ 8.81
11 mm (calibrated)
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3.34ct Natural Deep Golden Orange Citrine, Oval, VVS-VS, Photo A

3.34ct Natural Deep Golden Orange Citrine, Oval, VVS-VS

Citrine

3.34ct1 pc
$ 25.61
12.5 x 7.5 mm
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1.28ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VVS, Photo A

1.28ct Natural Dark Green Tourmaline, Octagon / Emerald Cut, VVS

Tourmaline

1.28ct1 pc
$ 35.06
13.5 x 3.3 mm
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25.75ctw Natural Multicolor Fossil Coral, Oval, Opaque, Photo A

25.75ctw Natural Multicolor Fossil Coral, Oval, Opaque

Fossil Coral

25.75ct total2 pcs
$ 28.80
20.9 x 12.9 mm
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0.67ct Natural Golden Orange Citrine, Pear Shape, VVS-VS, Photo A

0.67ct Natural Golden Orange Citrine, Pear Shape, VVS-VS

Citrine

0.67ct1 pc
$ 3.34
7 x 5 mm (calibrated)
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10.93ct Natural Warm Brown Tiger's Eye, Baguette, Opaque, Photo A

10.93ct Natural Warm Brown Tiger's Eye, Baguette, Opaque

Tiger's Eye

10.93ct1 pc
$ 14.15
16 x 12 mm (calibrated)
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7.89ct Natural Blue Green Fluorite, Pear Shape, Transparent, Photo A

7.89ct Natural Blue Green Fluorite, Pear Shape, Transparent

Fluorite

7.89ct1 pc
$ 33.63
13.4 x 11.7 mm
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76.37ct Natural Gold Star Sapphire, Oval, Opaque, Photo A
Star Sapphire Product Video (522808)

76.37ct Natural Gold Star Sapphire, Oval, Opaque

Star Sapphire

76.37ct1 pc
$ 627.53
24.6 x 22 mm
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7.63ctw Natural Multicolor Mystic Quartz, Round, VVS-VS, Photo A
Mystic Quartz Product Video (706002)

7.63ctw Natural Multicolor Mystic Quartz, Round, VVS-VS

Mystic Quartz

7.63ct total2 pcs
$ 45.60
10 mm (calibrated)
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1.91ct Natural Medium Dark-Orange Sphalerite, Oval, VS-SI, Photo A

1.91ct Natural Medium Dark-Orange Sphalerite, Oval, VS-SI

Sphalerite

1.91ct1 pc
$ 95.12
8 x 6 mm (calibrated)
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7.45ct Natural Hickory Brown Smoky Quartz, Octagon / Emerald Cut, VVS, Photo A

7.45ct Natural Hickory Brown Smoky Quartz, Octagon / Emerald Cut, VVS

Smoky Quartz

7.45ct1 pc
$ 20.40
11 x 11 mm (calibrated)
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1.79ct Natural Multicolor Pietersite, Round, Opaque, Photo A

1.79ct Natural Multicolor Pietersite, Round, Opaque

Pietersite

1.79ct1 pc
$ 4.33
9 mm (calibrated)
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0.18ct Natural Very Light Sage Green Sapphire, Square, VVS-VS, Photo A

0.18ct Natural Very Light Sage Green Sapphire, Square, VVS-VS

Sapphire

0.18ct1 pc
$ 25.10
3 x 3 mm (calibrated)
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29.01ctw Natural Multicolor Jasper, Oval, Opaque, Photo A

29.01ctw Natural Multicolor Jasper, Oval, Opaque

Jasper

29.01ct total2 pcs
$ 17.05
29.2 x 14.5 mm
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2.85ct Natural Multicolor Pietersite, Pear Shape, Opaque, Photo A

2.85ct Natural Multicolor Pietersite, Pear Shape, Opaque

Pietersite

2.85ct1 pc
$ 5.60
14 x 9 mm (calibrated)
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0.80ct Natural London Blue Topaz, Pear Shape, VS, Photo A

0.80ct Natural London Blue Topaz, Pear Shape, VS

Topaz

0.80ct1 pc
$ 6.37
7 x 5 mm (calibrated)
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0.83ct Natural Reddish Orange Fire Opal, Oval, Translucent, Photo A

0.83ct Natural Reddish Orange Fire Opal, Oval, Translucent

Fire Opal

0.83ct1 pc
$ 18.95
8 x 6 mm (calibrated)
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4.86ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

4.86ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

4.86ct1 pc
$ 41.17
11.7 x 9.5 mm
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1.32ct Natural Deep Orange Hessonite Garnet, Cushion, VVS-VS, Photo A

1.32ct Natural Deep Orange Hessonite Garnet, Cushion, VVS-VS

Hessonite Garnet

1.32ct1 pc
$ 23.66
7 x 5 mm (calibrated)
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5.55ctw Natural Multicolor Black Opal, Oval, Translucent, Photo A
Black Opal Product Video (473257)

5.55ctw Natural Multicolor Black Opal, Oval, Translucent

Black Opal

5.55ct total4 pcs
$ 127.27
9 x 7 mm (calibrated)
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12.85ct Natural Bluish White Rainbow Moonstone, Fancy, Transparent, Photo A

12.85ct Natural Bluish White Rainbow Moonstone, Fancy, Transparent

Rainbow Moonstone

12.85ct1 pc
$ 102.39
22.6 x 10 mm
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0.68ct Natural Deep Orange Zircon, Oval, VVS, Photo A

0.68ct Natural Deep Orange Zircon, Oval, VVS

Zircon

0.68ct1 pc
$ 10.16
6 x 4 mm (calibrated)
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3.09ctw Natural Lively Green Peridot, Round, VVS-VS, Photo A

3.09ctw Natural Lively Green Peridot, Round, VVS-VS

Peridot

3.09ct total6 pcs
$ 50.79
5 mm (calibrated)
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0.72ct Natural Very Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS, Photo A

0.72ct Natural Very Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS

Color-Change Diaspore

0.72ct1 pc
$ 26.74
6.8 x 4.4 mm
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52.73ct Natural Multicolor Jasper, Square, Opaque, Photo A

52.73ct Natural Multicolor Jasper, Square, Opaque

Jasper

52.73ct1 pc
$ 57.77
24 x 23.3 mm
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4.74ctw Natural Purple-Red Rhodolite Garnet, Oval, VS, Photo A

4.74ctw Natural Purple-Red Rhodolite Garnet, Oval, VS

Rhodolite Garnet

4.74ct total10 pcs
$ 41.54
5.1 x 4.1 mm
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3.87ctw Natural Swiss Blue Topaz, Fancy, VVS-VS, Photo A

3.87ctw Natural Swiss Blue Topaz, Fancy, VVS-VS

Topaz

3.87ct total4 pcs
$ 25.44
7 x 5 mm (calibrated)
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11.65ct Natural Multicolor Coral, Pear Shape, Translucent, Photo A
Coral Product Video (552030)

11.65ct Natural Multicolor Coral, Pear Shape, Translucent

Coral

11.65ct1 pc
$ 21.27
21.6 x 15.8 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

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 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 -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate
Enlarged Gemstone Image