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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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2.56ct Natural Medium Red Almandine Garnet, Pear Shape, VS, Photo A

2.56ct Natural Medium Red Almandine Garnet, Pear Shape, VS

Almandine Garnet

2.56ct1 pc
$ 25.60
12 x 8 mm (calibrated)
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1.92ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS, Photo A

1.92ct Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS

Topaz

1.92ct1 pc
$ 18.43
8 x 6 mm (calibrated)
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6.04ctw Natural Sky Blue Topaz, Heart, VVS, Photo A

6.04ctw Natural Sky Blue Topaz, Heart, VVS

Topaz

6.04ct total2 pcs
$ 51.04
9 x 9 mm (calibrated)
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8.42ct Natural Medium Grey Jadeite, Oval, Opaque, Photo A

8.42ct Natural Medium Grey Jadeite, Oval, Opaque

Jadeite

8.42ct1 pc
$ 30.31
16.7 x 12.1 mm
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49.65ct Natural White with Black Rainbow Moonstone, Fancy, Opaque, Photo A

49.65ct Natural White with Black Rainbow Moonstone, Fancy, Opaque

Rainbow Moonstone

49.65ct1 pc
$ 17.88
42.3 x 11.9 mm
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1.07ct Natural Dark Brown Color-Change Garnet, Oval, VVS-VS, Photo A

1.07ct Natural Dark Brown Color-Change Garnet, Oval, VVS-VS

Color-Change Garnet

1.07ct1 pc
$ 102.98
6.4 x 5.1 mm
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22.90ctw Natural Multicolor Fossil Coral, Pear Shape, Opaque, Photo A

22.90ctw Natural Multicolor Fossil Coral, Pear Shape, Opaque

Fossil Coral

22.90ct total2 pcs
$ 60.46
21.9 x 15.4 mm
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13.68ct Natural Warm Brown Tiger's Eye, Baguette, Opaque, Photo A

13.68ct Natural Warm Brown Tiger's Eye, Baguette, Opaque

Tiger's Eye

13.68ct1 pc
$ 16.42
18 x 13 mm (calibrated)
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1.34ct Natural Black Star Diopside, Oval, Opaque, Photo A

1.34ct Natural Black Star Diopside, Oval, Opaque

Star Diopside

1.34ct1 pc
$ 8.04
8 x 6 mm (calibrated)
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0.96ct Natural Medium Yellow Beryl, Trillion, VVS, Photo A

0.96ct Natural Medium Yellow Beryl, Trillion, VVS

Beryl

0.96ct1 pc
$ 23.04
7.3 x 7.1 mm
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0.71ct Natural Light Red Ruby, Pear Shape, VS, Photo A
Ruby Product Video (646590)

0.71ct Natural Light Red Ruby, Pear Shape, VS

Ruby

0.71ct1 pc
$ 596.40
7.2 x 4.7 mm
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1.60ct Natural Multicolor Opal, Fancy, Translucent, Photo A

1.60ct Natural Multicolor Opal, Fancy, Translucent

Opal

1.60ct1 pc
$ 53.76
10.5 x 6 mm
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0.99ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.99ct Natural Multicolor Opal, Oval, Opaque

Opal

0.99ct1 pc
$ 39.20
9 x 7 mm (calibrated)
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4.02ct Natural Dark Red Rhodolite Garnet, Heart, VVS-VS, Photo A

4.02ct Natural Dark Red Rhodolite Garnet, Heart, VVS-VS

Rhodolite Garnet

4.02ct1 pc
$ 201.00
11 x 9.4 mm
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0.64ct Natural Medium Green Sapphire, Round, VS-SI, Photo A

0.64ct Natural Medium Green Sapphire, Round, VS-SI

Sapphire

0.64ct1 pc
$ 23.57
4.5 mm (calibrated)
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5.06ct Natural Multicolor Pietersite, Marquise, Opaque, Photo A

5.06ct Natural Multicolor Pietersite, Marquise, Opaque

Pietersite

5.06ct1 pc
$ 20.04
22.6 x 8 mm
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13.78ct Natural Deep Violet Amethyst, Cushion, VVS, Photo A

13.78ct Natural Deep Violet Amethyst, Cushion, VVS

Amethyst

13.78ct1 pc
$ 115.75
15 x 15 mm (calibrated)
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0.93ct Natural Warm Green Sphene, Oval, Transparent, Photo A

0.93ct Natural Warm Green Sphene, Oval, Transparent

Sphene

0.93ct1 pc
$ 5.58
5.9 x 5 mm
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13.53ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque, Photo A

13.53ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque

Rainbow Pyrite

13.53ct1 pc
$ 48.71
30 x 11.4 mm
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1.85ct Natural White Zircon, Round, VVS, Photo A

1.85ct Natural White Zircon, Round, VVS

Zircon

1.85ct1 pc
$ 66.62
7 mm (calibrated)
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3.22ct Natural Light Green Sphene, Oval, Transparent, Photo A

3.22ct Natural Light Green Sphene, Oval, Transparent

Sphene

3.22ct1 pc
$ 19.32
8.7 x 7.6 mm
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4.27ctw Natural Crimson Red Pyrope Garnet, Square, VS, Photo A

4.27ctw Natural Crimson Red Pyrope Garnet, Square, VS

Pyrope Garnet

4.27ct total10 pcs
$ 39.46
4 x 4 mm (calibrated)
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0.90ct Natural Medium Gold Citrine, Octagon / Emerald Cut, VS, Photo A

0.90ct Natural Medium Gold Citrine, Octagon / Emerald Cut, VS

Citrine

0.90ct1 pc
$ 8.64
7.6 x 5.7 mm
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0.67ct Natural Bright Orange Fire Opal, Oval, Transparent, Photo A
Fire Opal Product Video (585387)

0.67ct Natural Bright Orange Fire Opal, Oval, Transparent

Fire Opal

0.67ct1 pc
$ 22.99
8 x 6 mm (calibrated)
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1.74ct Natural Bluish White Topaz, Marquise, VS, Photo A

1.74ct Natural Bluish White Topaz, Marquise, VS

Topaz

1.74ct1 pc
$ 11.48
12 x 5.1 mm
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4.18ct Natural Medium Violet Amethyst, Pear Shape, VVS, Photo A

4.18ct Natural Medium Violet Amethyst, Pear Shape, VVS

Amethyst

4.18ct1 pc
$ 33.11
14 x 10 mm (calibrated)
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0.54ct Natural Greenish Yellow Grossularite Garnet, Round, VS-SI, Photo A

0.54ct Natural Greenish Yellow Grossularite Garnet, Round, VS-SI

Grossularite Garnet

0.54ct1 pc
$ 16.39
4.5 mm (calibrated)
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14.23ctw Natural Black Spinel, Round, Opaque, Photo A

14.23ctw Natural Black Spinel, Round, Opaque

Spinel

14.23ct total2 pcs
$ 56.35
12 mm (calibrated)
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1.53ct Natural Medium Orange Hessonite Garnet, Cushion, VS-SI, Photo A

1.53ct Natural Medium Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

1.53ct1 pc
$ 28.85
6 x 6 mm (calibrated)
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13.02ctw Natural Dark Brown Smoky Quartz, Flower Cut, Transparent, Photo A

13.02ctw Natural Dark Brown Smoky Quartz, Flower Cut, Transparent

Smoky Quartz

13.02ct total2 pcs
$ 48.51
14.1 x 10.2 mm
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7.58ctw Natural Medium-Dark Golden Citrine, Pear Shape, VVS-VS, Photo A

7.58ctw Natural Medium-Dark Golden Citrine, Pear Shape, VVS-VS

Citrine

7.58ct total2 pcs
$ 57.32
12 x 10 mm (calibrated)
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8.10ct Natural Multicolor Pietersite, Pear Shape, Opaque, Photo A

8.10ct Natural Multicolor Pietersite, Pear Shape, Opaque

Pietersite

8.10ct1 pc
$ 24.30
22.5 x 13.7 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

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
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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

the selection is good as are the prices

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

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
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Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
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Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate
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