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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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6.97ct Natural Multicolor Agate, Oval, Opaque, Photo A

6.97ct Natural Multicolor Agate, Oval, Opaque

Agate

6.97ct1 pc
$ 6.94
11.7 x 11.3 mm
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0.66ct Natural Mellow Yellow Color-Change Diaspore, Pear Shape, VVS, Photo A

0.66ct Natural Mellow Yellow Color-Change Diaspore, Pear Shape, VVS

Color-Change Diaspore

0.66ct1 pc
$ 34.84
8.3 x 3.6 mm
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2.68ctw Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent, Photo A

2.68ctw Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent

Rainbow Moonstone

2.68ct total10 pcs
$ 53.39
5 x 5 mm (calibrated)
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7.29ct Natural Medium Rose Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

7.29ct Natural Medium Rose Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

7.29ct1 pc
$ 39.94
11 x 11 mm (calibrated)
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3.24ct Natural Medium Orange Spessartite Garnet, Oval, Transparent, Photo A

3.24ct Natural Medium Orange Spessartite Garnet, Oval, Transparent

Spessartite Garnet

3.24ct1 pc
$ 67.23
9.6 x 7.7 mm
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32.11ct Natural Golden-Orange Calcite, Oval, Translucent, Photo A

32.11ct Natural Golden-Orange Calcite, Oval, Translucent

Calcite

32.11ct1 pc
$ 22.07
33.8 x 20.7 mm
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0.71ct Natural Medium-Light Purple Sapphire, Oval, VVS-VS, Photo A

0.71ct Natural Medium-Light Purple Sapphire, Oval, VVS-VS

Sapphire

0.71ct1 pc
$ 59.98
7 x 5 mm (calibrated)
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2.47ct Natural Medium Green Peridot, Cushion, VS, Photo A

2.47ct Natural Medium Green Peridot, Cushion, VS

Peridot

2.47ct1 pc
$ 96.88
9 x 7 mm (calibrated)
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9.80ct Natural Cinnamon Brown Tiger's Eye, Oval, Opaque, Photo A

9.80ct Natural Cinnamon Brown Tiger's Eye, Oval, Opaque

Tiger's Eye

9.80ct1 pc
$ 5.76
18 x 13 mm (calibrated)
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20.62ct Natural Multicolor Agate, Oval, Opaque, Photo A

20.62ct Natural Multicolor Agate, Oval, Opaque

Agate

20.62ct1 pc
$ 19.51
16.2 x 15.1 mm
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8.78ctw Natural Sky Blue Topaz, Octagon / Emerald Cut, VVS, Photo A

8.78ctw Natural Sky Blue Topaz, Octagon / Emerald Cut, VVS

Topaz

8.78ct total2 pcs
$ 56.12
9 x 9 mm (calibrated)
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7.13ct Natural Multicolor Opal Triplet, Fancy, Opaque, Photo A

7.13ct Natural Multicolor Opal Triplet, Fancy, Opaque

Opal Triplet

7.13ct1 pc
$ 177.54
18.2 x 12.3 mm
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3.53ct Natural Light Rose Pink Morganite, Marquise, Transparent, Photo A

3.53ct Natural Light Rose Pink Morganite, Marquise, Transparent

Morganite

3.53ct1 pc
$ 38.68
16.4 x 7 mm
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7.38ct Natural Chocolate Brown Smoky Quartz, Octagon / Emerald Cut, VVS, Photo A

7.38ct Natural Chocolate Brown Smoky Quartz, Octagon / Emerald Cut, VVS

Smoky Quartz

7.38ct1 pc
$ 13.75
12 x 12 mm (calibrated)
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2.79ct Natural Warm Brown Smoky Quartz, Marquise, VVS, Photo A

2.79ct Natural Warm Brown Smoky Quartz, Marquise, VVS

Smoky Quartz

2.79ct1 pc
$ 16.67
17.9 x 7.1 mm
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5.88ct Natural Multicolor Opal, Oval, Transparent, Photo A
Opal Product Video (691381)

5.88ct Natural Multicolor Opal, Oval, Transparent

Opal

5.88ct1 pc
$ 263.54
21.3 x 12.8 mm
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2.58ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

2.58ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

2.58ct1 pc
$ 16.97
10 x 10 mm (calibrated)
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21.75ct Natural Warm Green Chrysoprase, Oval, Opaque, Photo A
Chrysoprase Product Video (750202)

21.75ct Natural Warm Green Chrysoprase, Oval, Opaque

Chrysoprase

21.75ct1 pc
$ 361.05
19 x 17.1 mm
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2.49ctw Natural Swiss Blue Topaz, Pear Shape, VS, Photo A

2.49ctw Natural Swiss Blue Topaz, Pear Shape, VS

Topaz

2.49ct total4 pcs
$ 19.09
6.2 x 4.2 mm
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19.85ct Natural Multicolor Quartz With Hedenbergite, Oval, Transparent, Photo A

19.85ct Natural Multicolor Quartz With Hedenbergite, Oval, Transparent

Quartz With Hedenbergite

19.85ct1 pc
$ 67.96
20.9 x 15 mm
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4.24ct Natural Medium Pinkish Violet Amethyst, Marquise, VS, Photo A

4.24ct Natural Medium Pinkish Violet Amethyst, Marquise, VS

Amethyst

4.24ct1 pc
$ 32.52
17 x 8.7 mm
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5.63ct Natural Golden Orange Citrine, Marquise, VVS-VS, Photo A

5.63ct Natural Golden Orange Citrine, Marquise, VVS-VS

Citrine

5.63ct1 pc
$ 39.25
20 x 10 mm (calibrated)
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16.25ct Natural Deep Violet Charoite, Cushion, Opaque, Photo A

16.25ct Natural Deep Violet Charoite, Cushion, Opaque

Charoite

16.25ct1 pc
$ 26.88
16.8 x 13.2 mm
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0.89ct Natural Light Sage Green Sapphire, Cushion, VVS-VS, Photo A

0.89ct Natural Light Sage Green Sapphire, Cushion, VVS-VS

Sapphire

0.89ct1 pc
$ 70.92
5.5 x 5.5 mm
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5.77ct Natural Intense Pink Tourmaline, Oval, VS, Photo A
Tourmaline Product Video (747190)

5.77ct Natural Intense Pink Tourmaline, Oval, VS

Tourmaline

5.77ct1 pc
$ 1,771.97
13 x 9.7 mm
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2.59ct Natural Yellowish Green Peridot, Cushion, VS, Photo A

2.59ct Natural Yellowish Green Peridot, Cushion, VS

Peridot

2.59ct1 pc
$ 100.60
8.1 x 7.2 mm
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0.81ctw Natural Yellowish Green Peridot, Pear Shape, VVS-VS, Photo A

0.81ctw Natural Yellowish Green Peridot, Pear Shape, VVS-VS

Peridot

0.81ct total2 pcs
$ 13.31
6 x 4 mm (calibrated)
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6.68ctw Natural Light Blue Tanzanite, Oval, Transparent, Photo A

6.68ctw Natural Light Blue Tanzanite, Oval, Transparent

Tanzanite

6.68ct total2 pcs
$ 57.82
10 x 8 mm (calibrated)
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13.53ct Natural Dark Golden Citrine, Oval, VVS-VS, Photo A

13.53ct Natural Dark Golden Citrine, Oval, VVS-VS

Citrine

13.53ct1 pc
$ 74.12
18 x 13 mm (calibrated)
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6.64ctw Natural White Topaz, Oval, VVS-VS, Photo A

6.64ctw Natural White Topaz, Oval, VVS-VS

Topaz

6.64ct total2 pcs
$ 36.37
10 x 8 mm (calibrated)
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0.21ct Natural Medium Dark-Red Ruby, Round, VS-SI, Photo A

0.21ct Natural Medium Dark-Red Ruby, Round, VS-SI

Ruby

0.21ct1 pc
$ 69.26
3.5 mm (calibrated)
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0.20ct Natural L Diamond, Round, VVS-VS, Photo A
Diamond Product Video (747218)

0.20ct Natural L Diamond, Round, VVS-VS

Diamond

0.20ct1 pc
$ 335.79
3.7 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 -> 9 star ratings

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
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Good. I ts very user friendly.

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Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
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Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
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Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

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Enlarged Gemstone Image