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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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0.56ct Natural Medium Blue Green Sapphire, Cushion, VS, Photo A

0.56ct Natural Medium Blue Green Sapphire, Cushion, VS

Sapphire

0.56ct1 pc
$ 80.64
4.2 x 4.2 mm
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1.56ct Natural Reddish Pink Tourmaline, Octagon / Emerald Cut, VVS, Photo A

1.56ct Natural Reddish Pink Tourmaline, Octagon / Emerald Cut, VVS

Tourmaline

1.56ct1 pc
$ 142.08
10.8 x 4.1 mm
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1.69ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS-SI, Photo A

1.69ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS-SI

Hessonite Garnet

1.69ct1 pc
$ 40.56
7.7 x 6.4 mm
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12.49ct Natural Multicolor Jasper, Oval, Opaque, Photo A

12.49ct Natural Multicolor Jasper, Oval, Opaque

Jasper

12.49ct1 pc
$ 32.98
25 x 18 mm (calibrated)
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0.55ct Natural Medium Green Emerald, Oval, Translucent, Photo A

0.55ct Natural Medium Green Emerald, Oval, Translucent

Emerald

0.55ct1 pc
$ 52.80
6.1 x 4.7 mm
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1.08ct Natural Warm White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.08ct Natural Warm White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.08ct1 pc
$ 5.18
5.9 x 5.5 mm
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41.33ct Natural Swiss Blue Topaz, Oval, VVS-VS, Photo A
Topaz Product Video (499059)

41.33ct Natural Swiss Blue Topaz, Oval, VVS-VS

Topaz

41.33ct1 pc
$ 347.17
25 x 18 mm (calibrated)
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1.75ct Natural Medium Orange Hessonite Garnet, Oval, VS, Photo A

1.75ct Natural Medium Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.75ct1 pc
$ 32.22
8 x 6.6 mm
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4.78ct Natural Pinkish Violet Amethyst, Pear Shape, VVS-VS, Photo A

4.78ct Natural Pinkish Violet Amethyst, Pear Shape, VVS-VS

Amethyst

4.78ct1 pc
$ 37.86
15 x 10 mm (calibrated)
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1.22ct Natural Medium-Dark Orange Hessonite Garnet, Baguette, VS, Photo A

1.22ct Natural Medium-Dark Orange Hessonite Garnet, Baguette, VS

Hessonite Garnet

1.22ct1 pc
$ 27.76
6.5 x 4.5 mm
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6.29ct Natural Deep Fern Green Druzy Variscite, Fancy, Opaque, Photo A

6.29ct Natural Deep Fern Green Druzy Variscite, Fancy, Opaque

Druzy Variscite

6.29ct1 pc
$ 10.97
23.7 x 9.9 mm
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16.43ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A
Ammolite Product Video (634041)

16.43ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

16.43ct1 pc
$ 197.16
22.2 x 15.7 mm
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0.47ct Natural Deep Orange Sphalerite, Round, VS-SI, Photo A

0.47ct Natural Deep Orange Sphalerite, Round, VS-SI

Sphalerite

0.47ct1 pc
$ 28.20
4.5 mm (calibrated)
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1.73ct Natural Yellowish Orange Hessonite Garnet, Oval, VS-SI, Photo A

1.73ct Natural Yellowish Orange Hessonite Garnet, Oval, VS-SI

Hessonite Garnet

1.73ct1 pc
$ 34.26
8 x 6.5 mm
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1.11ct Natural Dark Golden Sapphire, Oval, VVS, Photo A

1.11ct Natural Dark Golden Sapphire, Oval, VVS

Sapphire

1.11ct1 pc
$ 239.46
6.7 x 5.5 mm
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11.53ctw Natural Multicolor Pietersite, Round, Opaque, Photo A

11.53ctw Natural Multicolor Pietersite, Round, Opaque

Pietersite

11.53ct total2 pcs
$ 32.52
14 mm (calibrated)
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13.39ct Natural Deep Violet Amethyst, Cushion, VS, Photo A

13.39ct Natural Deep Violet Amethyst, Cushion, VS

Amethyst

13.39ct1 pc
$ 112.48
15 x 15 mm (calibrated)
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2.47ct Natural Greenish Yellow Apatite, Octagon / Emerald Cut, VS, Photo A
Apatite Product Video (439344)

2.47ct Natural Greenish Yellow Apatite, Octagon / Emerald Cut, VS

Apatite

2.47ct1 pc
$ 153.24
7.7 x 7.7 mm
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7.58ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque, Photo A

7.58ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque

Rainbow Pyrite

7.58ct1 pc
$ 27.29
17.7 x 10.9 mm
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2.22ct Natural Deep Red Almandine Garnet, Oval, VS, Photo A

2.22ct Natural Deep Red Almandine Garnet, Oval, VS

Almandine Garnet

2.22ct1 pc
$ 99.90
9 x 7 mm (calibrated)
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3.65ct Natural Forest Green Agate, Oval, Translucent, Photo A

3.65ct Natural Forest Green Agate, Oval, Translucent

Agate

3.65ct1 pc
$ 4.76
9.8 x 8.6 mm
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11.65ct Natural Medium Green Jadeite, Oval, Translucent, Photo A

11.65ct Natural Medium Green Jadeite, Oval, Translucent

Jadeite

11.65ct1 pc
$ 30.76
18.7 x 13.9 mm
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0.43ct Natural Fire Orange Clinohumite, Round, SI, Photo A

0.43ct Natural Fire Orange Clinohumite, Round, SI

Clinohumite

0.43ct1 pc
$ 21.50
5 mm (calibrated)
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7.18ct Natural Black Star Sapphire, Oval, Opaque, Photo A

7.18ct Natural Black Star Sapphire, Oval, Opaque

Star Sapphire

7.18ct1 pc
$ 172.32
11.7 x 9.2 mm
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1.45ct Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.45ct Natural Very Light Grey Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.45ct1 pc
$ 5.75
7.8 x 4.5 mm
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4.58ctw Natural Sky Blue Topaz, Round, VVS-VS, Photo A

4.58ctw Natural Sky Blue Topaz, Round, VVS-VS

Topaz

4.58ct total2 pcs
$ 42.32
8 mm (calibrated)
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0.94ct Natural Multicolor Spectrolite, Round, Opaque, Photo A

0.94ct Natural Multicolor Spectrolite, Round, Opaque

Spectrolite

0.94ct1 pc
$ 5.20
7 mm (calibrated)
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0.76ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS, Photo A

0.76ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS

Color-Change Diaspore

0.76ct1 pc
$ 34.01
6.3 x 3.9 mm
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0.71ct Natural Mellow Yellow Color-Change Diaspore, Octagon / Emerald Cut, VVS, Photo A

0.71ct Natural Mellow Yellow Color-Change Diaspore, Octagon / Emerald Cut, VVS

Color-Change Diaspore

0.71ct1 pc
$ 45.16
7.4 x 4.2 mm
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4.33ctw Natural Deep Red Almandine Garnet, Oval, VS, Photo A

4.33ctw Natural Deep Red Almandine Garnet, Oval, VS

Almandine Garnet

4.33ct total2 pcs
$ 194.85
9 x 7 mm (calibrated)
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0.03ct Natural Black Diamond, Round, Transparent, Photo A

0.03ct Natural Black Diamond, Round, Transparent

Diamond

0.03ct1 pc
$ 12.37
2 mm (calibrated)
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1.78ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.78ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.78ct total2 pcs
$ 11.75
7 x 5 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 -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
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Overall Rating -> 10 star ratings

Easy and good price

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

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

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Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

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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
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