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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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13.81ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A
Ammolite Product Video (523395)

13.81ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

13.81ct1 pc
$ 364.58
25.7 x 15.7 mm
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0.07ct Natural D Diamond, Marquise, VVS, Photo A
Diamond Product Video (740677)

0.07ct Natural D Diamond, Marquise, VVS

Diamond

0.07ct1 pc
$ 293.12
4.1 x 2.1 mm
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46.21ct Natural Bluish White Rainbow Moonstone, Oval, Translucent, Photo A

46.21ct Natural Bluish White Rainbow Moonstone, Oval, Translucent

Rainbow Moonstone

46.21ct1 pc
$ 55.45
35.2 x 21.3 mm
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2.54ct Natural Purplish Blue Chalcedony, Oval, Transparent, Photo A

2.54ct Natural Purplish Blue Chalcedony, Oval, Transparent

Chalcedony

2.54ct1 pc
$ 6.10
10 x 8 mm (calibrated)
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1.38ct Natural Grayish Green Tourmaline, Cushion, VS, Photo A

1.38ct Natural Grayish Green Tourmaline, Cushion, VS

Tourmaline

1.38ct1 pc
$ 193.20
8 x 6 mm (calibrated)
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30.70ct Natural Multicolor Obsidian, Cushion, Opaque, Photo A

30.70ct Natural Multicolor Obsidian, Cushion, Opaque

Obsidian

30.70ct1 pc
$ 40.52
27.6 x 18.9 mm
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3.41ct Natural Multicolor Labradorite, Baguette, Translucent, Photo A

3.41ct Natural Multicolor Labradorite, Baguette, Translucent

Labradorite

3.41ct1 pc
$ 5.65
9 x 7 mm (calibrated)
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0.67ct Natural Twilight Blue Sapphire, Round, VS, Photo A
Sapphire Product Video (449827)

0.67ct Natural Twilight Blue Sapphire, Round, VS

Sapphire

0.67ct1 pc
$ 400.42
5 mm (calibrated)
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1.63ctw Natural Clear White Zircon, Oval, VVS-VS, Photo A

1.63ctw Natural Clear White Zircon, Oval, VVS-VS

Zircon

1.63ct total2 pcs
$ 11.96
6 x 4 mm (calibrated)
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14.33ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque, Photo A

14.33ct Natural Black with Blue Sparkle Nuummite, Oval, Opaque

Nuummite

14.33ct1 pc
$ 76.18
17.9 x 15.8 mm
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1.57ct Natural Medium Gold Citrine, Heart, VVS, Photo A

1.57ct Natural Medium Gold Citrine, Heart, VVS

Citrine

1.57ct1 pc
$ 10.99
8 x 8 mm (calibrated)
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21.62ct Natural Grayish White Aragonite, Square, Opaque, Photo A

21.62ct Natural Grayish White Aragonite, Square, Opaque

Aragonite

21.62ct1 pc
$ 30.48
17 x 17 mm (calibrated)
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2.30ctw Natural Deep Blood Red Pyrope Garnet, Marquise, VVS-VS, Photo A

2.30ctw Natural Deep Blood Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

2.30ct total2 pcs
$ 24.29
10.2 x 5 mm
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3.18ctw Natural Peach Orange Moonstone, Oval, Translucent, Photo A

3.18ctw Natural Peach Orange Moonstone, Oval, Translucent

Moonstone

3.18ct total2 pcs
$ 7.67
8 x 6 mm (calibrated)
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11.18ct Natural Multicolor Boulder Opal, Pear Shape, Opaque, Photo A

11.18ct Natural Multicolor Boulder Opal, Pear Shape, Opaque

Boulder Opal

11.18ct1 pc
$ 73.79
23.3 x 16.3 mm
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2.49ctw Natural Intense Violet Amethyst, Oval, Transparent, Photo A

2.49ctw Natural Intense Violet Amethyst, Oval, Transparent

Amethyst

2.49ct total2 pcs
$ 20.92
10 x 5.1 mm
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1.36ct Natural Medium Violet Spinel, Cushion, VVS-VS, Photo A

1.36ct Natural Medium Violet Spinel, Cushion, VVS-VS

Spinel

1.36ct1 pc
$ 113.10
6.6 x 6 mm
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3.23ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS, Photo A
Sillimanite Product Video (411811)

3.23ctw Natural Medium Yellow Sillimanite, Oval, VVS-VS

Sillimanite

3.23ct total3 pcs
$ 149.23
7 x 5 mm (calibrated)
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3.49ct Natural Reddish Orange Sunstone, Oval, Transparent, Photo A

3.49ct Natural Reddish Orange Sunstone, Oval, Transparent

Sunstone

3.49ct1 pc
$ 25.30
11 x 9 mm (calibrated)
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7.83ctw Natural Sky Blue Topaz, Marquise, VVS, Photo A

7.83ctw Natural Sky Blue Topaz, Marquise, VVS

Topaz

7.83ct total2 pcs
$ 66.47
13.8 x 8.1 mm
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1.37ct Natural Light Red Ruby, Round, VS, Photo A

1.37ct Natural Light Red Ruby, Round, VS

Ruby

1.37ct1 pc
$ 147.96
6 mm (calibrated)
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4.47ctw Natural Clear White Zircon, Oval, VVS-VS, Photo A

4.47ctw Natural Clear White Zircon, Oval, VVS-VS

Zircon

4.47ct total6 pcs
$ 31.92
6 x 4 mm (calibrated)
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1.36ct Natural Medium Orange Citrine, Cushion, Transparent, Photo A

1.36ct Natural Medium Orange Citrine, Cushion, Transparent

Citrine

1.36ct1 pc
$ 12.56
8 x 6 mm (calibrated)
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1.23ctw Natural Pale Pear Green Sapphire, Oval, VVS-VS, Photo A

1.23ctw Natural Pale Pear Green Sapphire, Oval, VVS-VS

Sapphire

1.23ct total2 pcs
$ 109.55
5 x 4 mm (calibrated)
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3.84ctw Natural Multicolor Mystic Quartz, Round, VVS, Photo A

3.84ctw Natural Multicolor Mystic Quartz, Round, VVS

Mystic Quartz

3.84ct total2 pcs
$ 27.65
8 mm (calibrated)
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31.30ct Natural Wine Red Ruby-Zoisite, Flower Cut, Opaque, Photo A

31.30ct Natural Wine Red Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

31.30ct1 pc
$ 45.04
21.9 x 16.7 mm
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5.67ct Natural Medium Brown Smoky Quartz, Round, VS, Photo A

5.67ct Natural Medium Brown Smoky Quartz, Round, VS

Smoky Quartz

5.67ct1 pc
$ 11.23
13 mm (calibrated)
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3.57ct Natural Multicolor Labradorite, Pear Shape, Translucent, Photo A

3.57ct Natural Multicolor Labradorite, Pear Shape, Translucent

Labradorite

3.57ct1 pc
$ 9.52
13 x 9 mm (calibrated)
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0.63ct Natural London Blue Topaz, Oval, VVS, Photo A

0.63ct Natural London Blue Topaz, Oval, VVS

Topaz

0.63ct1 pc
$ 6.05
6 x 4 mm (calibrated)
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1.23ct Natural Gold Citrine, Round, VVS, Photo A

1.23ct Natural Gold Citrine, Round, VVS

Citrine

1.23ct1 pc
$ 11.81
7 mm (calibrated)
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0.32ct Natural Bubblegum Pink Sapphire, Oval, VVS, Photo A

0.32ct Natural Bubblegum Pink Sapphire, Oval, VVS

Sapphire

0.32ct1 pc
$ 38.40
6 x 4 mm (calibrated)
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3.45ctw Natural Dark Red Almandine Garnet, Baguette, VVS-VS, Photo A

3.45ctw Natural Dark Red Almandine Garnet, Baguette, VVS-VS

Almandine Garnet

3.45ct total2 pcs
$ 144.90
10 x 5.1 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

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

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
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Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate
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