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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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1.26ct Natural Medium Dark-Green Chrome Diopside, Marquise, VS-SI, Photo A
Chrome Diopside Product Video (724712)

1.26ct Natural Medium Dark-Green Chrome Diopside, Marquise, VS-SI

Chrome Diopside

1.26ct1 pc
$ 37.80
10 x 5 mm (calibrated)
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10.21ctw Natural Bi-color Tourmaline, Fancy, Transparent, Photo A
Tourmaline Product Video (737824)

10.21ctw Natural Bi-color Tourmaline, Fancy, Transparent

Tourmaline

10.21ct total2 pcs
$ 306.30
12.1 x 11 mm
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1.29ctw Natural Medium Light Purplish-Violet Amethyst, Marquise, VVS-VS, Photo A

1.29ctw Natural Medium Light Purplish-Violet Amethyst, Marquise, VVS-VS

Amethyst

1.29ct total2 pcs
$ 10.32
8.2 x 4.2 mm
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27.24ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

27.24ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

27.24ct total2 pcs
$ 71.92
19.6 x 13.8 mm
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2.00ct Natural Medium-Dark Orange Zircon, Oval, VVS-VS, Photo A

2.00ct Natural Medium-Dark Orange Zircon, Oval, VVS-VS

Zircon

2.00ct1 pc
$ 52.67
8 x 6 mm (calibrated)
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8.11ct Natural Multicolor Boulder Opal, Pear Shape, Opaque, Photo A
Boulder Opal Product Video (629945)

8.11ct Natural Multicolor Boulder Opal, Pear Shape, Opaque

Boulder Opal

8.11ct1 pc
$ 68.12
21.1 x 11 mm
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0.69ct Natural champagne Zircon, Oval, VVS-VS, Photo A

0.69ct Natural champagne Zircon, Oval, VVS-VS

Zircon

0.69ct1 pc
$ 20.70
6 x 4 mm (calibrated)
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7.39ct Natural Golden Orange Citrine, Briolette, VVS-VS, Photo A

7.39ct Natural Golden Orange Citrine, Briolette, VVS-VS

Citrine

7.39ct1 pc
$ 50.24
14.1 x 9.4 mm
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1.56ct Natural Medium Green Tourmaline, Oval, VVS-VS, Photo A

1.56ct Natural Medium Green Tourmaline, Oval, VVS-VS

Tourmaline

1.56ct1 pc
$ 218.40
7.5 x 6.4 mm
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1.38ctw Natural Dark Orange-Gold Sapphire, Round, VS, Photo A

1.38ctw Natural Dark Orange-Gold Sapphire, Round, VS

Sapphire

1.38ct total2 pcs
$ 90.52
5 mm (calibrated)
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1.98ctw Natural Multicolor Sapphire, Square, VS, Photo A
Sapphire Product Video (683603)

1.98ctw Natural Multicolor Sapphire, Square, VS

Sapphire

1.98ct total21 pcs
$ 285.12
2.4 x 2.3 mm
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0.39ctw Natural Medium Golden Sapphire, Marquise, VVS, Photo A

0.39ctw Natural Medium Golden Sapphire, Marquise, VVS

Sapphire

0.39ct total2 pcs
$ 32.18
5 x 2.5 mm (calibrated)
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31.57ct Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

31.57ct Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

31.57ct1 pc
$ 31.26
30 x 22 mm (calibrated)
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3.15ctw Natural Reddish Orange Citrine, Oval, VVS, Photo A

3.15ctw Natural Reddish Orange Citrine, Oval, VVS

Citrine

3.15ct total2 pcs
$ 37.80
9 x 7 mm (calibrated)
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2.50ctw Natural Pastel Blue Sapphire, Briolette, VS, Photo A

2.50ctw Natural Pastel Blue Sapphire, Briolette, VS

Sapphire

2.50ct total4 pcs
$ 99.00
5.3 x 3.6 mm
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1.84ctw Natural Light Yellow Beryl, Oval, VVS-VS, Photo A

1.84ctw Natural Light Yellow Beryl, Oval, VVS-VS

Beryl

1.84ct total2 pcs
$ 44.16
8 x 6 mm (calibrated)
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7.34ctw Natural Cool Green Amazonite, Cushion, Opaque, Photo A

7.34ctw Natural Cool Green Amazonite, Cushion, Opaque

Amazonite

7.34ct total4 pcs
$ 21.50
7.3 x 7.2 mm
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1.92ct Natural Warm Green Tourmaline, Oval, VVS-VS, Photo A

1.92ct Natural Warm Green Tourmaline, Oval, VVS-VS

Tourmaline

1.92ct1 pc
$ 268.80
8.8 x 7.6 mm
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1.60ct Natural Reddish Pink Ruby, Oval, VS-SI, Photo A

1.60ct Natural Reddish Pink Ruby, Oval, VS-SI

Ruby

1.60ct1 pc
$ 172.80
8 x 6 mm (calibrated)
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5.95ctw Natural Light Scarlet Red Almandine Garnet, Round, Transparent, Photo A

5.95ctw Natural Light Scarlet Red Almandine Garnet, Round, Transparent

Almandine Garnet

5.95ct total30 pcs
$ 35.70
3.2 mm
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2.57ctw Natural Very Light Dijon Yellow Citrine, Round, VVS, Photo A

2.57ctw Natural Very Light Dijon Yellow Citrine, Round, VVS

Citrine

2.57ct total2 pcs
$ 21.59
7 mm (calibrated)
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1.30ct Natural Light Yellow Beryl, Trillion, VVS-VS, Photo A

1.30ct Natural Light Yellow Beryl, Trillion, VVS-VS

Beryl

1.30ct1 pc
$ 37.44
8 x 8 mm (calibrated)
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0.54ct Natural Brownish Yellow Sphalerite, Oval, SI-I1, Photo A

0.54ct Natural Brownish Yellow Sphalerite, Oval, SI-I1

Sphalerite

0.54ct1 pc
$ 32.40
5.1 x 4.3 mm
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3.30ct Natural Multicolor Labradorite, Marquise, Translucent, Photo A

3.30ct Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

3.30ct1 pc
$ 8.80
14 x 7 mm (calibrated)
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1.26ct Natural Deep Green Tourmaline, Oval, Transparent, Photo A

1.26ct Natural Deep Green Tourmaline, Oval, Transparent

Tourmaline

1.26ct1 pc
$ 49.90
8 x 6 mm (calibrated)
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0.69ct Natural Medium Pink Spinel, Cushion, VS, Photo A

0.69ct Natural Medium Pink Spinel, Cushion, VS

Spinel

0.69ct1 pc
$ 62.10
5.3 x 4.8 mm
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1.02ct Natural Deep Green Tourmaline, Baguette, VVS-VS, Photo A

1.02ct Natural Deep Green Tourmaline, Baguette, VVS-VS

Tourmaline

1.02ct1 pc
$ 42.84
12.2 x 3.2 mm
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3.20ct Natural Light Pink Morganite, Oval, Transparent, Photo A

3.20ct Natural Light Pink Morganite, Oval, Transparent

Morganite

3.20ct1 pc
$ 42.24
10.9 x 8.1 mm
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0.15ctw Natural Black Diamond, Square, Opaque, Photo A

0.15ctw Natural Black Diamond, Square, Opaque

Diamond

0.15ct total2 pcs
$ 90.00
2 x 2 mm (calibrated)
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1.81ctw Natural Bright Red Sapphire, Oval, VVS-VS, Photo A

1.81ctw Natural Bright Red Sapphire, Oval, VVS-VS

Sapphire

1.81ct total6 pcs
$ 112.88
4.4 x 3.6 mm
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1.70ct Natural Medium Orange Zircon, Round, VVS-VS, Photo A

1.70ct Natural Medium Orange Zircon, Round, VVS-VS

Zircon

1.70ct1 pc
$ 44.88
6.5 mm (calibrated)
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38.87ct Natural Medium Gray Hematite, Round, Opaque, Photo A

38.87ct Natural Medium Gray Hematite, Round, Opaque

Hematite

38.87ct1 pc
$ 45.66
21.6 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 -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate
Enlarged Gemstone Image