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Home Gemstones Gemstones By Shape Cabochon Gemstones

Natural Cabochon Gemstones

Browse our collection of natural cabochon gemstones, featuring smooth domed cuts perfect for jewelry and gemstone collecting.

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3.02ct Natural Deep Cognac Diamond, Cushion, VS-SI, Photo A
Diamond Product Video (460461)

3.02ct Natural Deep Cognac Diamond, Cushion, VS-SI

Diamond

3.02ct1 pc
$ 4,632.20
8 x 8 mm (calibrated)
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1.52ct Natural Olive Green Sphene, Oval, Transparent, Photo A

1.52ct Natural Olive Green Sphene, Oval, Transparent

Sphene

1.52ct1 pc
$ 7.57
7.4 x 6.1 mm
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5.89ctw Natural Very Light Green Prehnite, Round, Transparent, Photo A

5.89ctw Natural Very Light Green Prehnite, Round, Transparent

Prehnite

5.89ct total4 pcs
$ 31.76
7 mm (calibrated)
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4.57ctw Natural Dark Orange Hessonite Garnet, Oval, VS, Photo A

4.57ctw Natural Dark Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

4.57ct total2 pcs
$ 76.21
8.6 x 7.2 mm
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11.27ct Natural Pear Green Prehnite, Fancy, Translucent, Photo A

11.27ct Natural Pear Green Prehnite, Fancy, Translucent

Prehnite

11.27ct1 pc
$ 18.52
17.2 x 11.9 mm
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1.30ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VS, Photo A

1.30ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VS

Tourmaline

1.30ct1 pc
$ 64.74
7.7 x 4.7 mm
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1.10ct Natural Dark Blue Kyanite, Oval, VS-SI, Photo A

1.10ct Natural Dark Blue Kyanite, Oval, VS-SI

Kyanite

1.10ct1 pc
$ 24.10
7.1 x 5.2 mm
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2.03ctw Natural Pastel Blue Sapphire, Square, VVS-VS, Photo A
Sapphire Product Video (348103)

2.03ctw Natural Pastel Blue Sapphire, Square, VVS-VS

Sapphire

2.03ct total20 pcs
$ 111.20
2.4 x 2.4 mm
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0.02ct Natural Green Diamond, Round, SI, Photo A

0.02ct Natural Green Diamond, Round, SI

Diamond

0.02ct1 pc
$ 24.34
1.8 mm (calibrated)
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2.59ct Natural Reddish Orange Hessonite Garnet, Octagon / Emerald Cut, VS, Photo A

2.59ct Natural Reddish Orange Hessonite Garnet, Octagon / Emerald Cut, VS

Hessonite Garnet

2.59ct1 pc
$ 51.08
8 x 8 mm (calibrated)
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3.92ct Natural Multicolor Pietersite, Pear Shape, Opaque, Photo A

3.92ct Natural Multicolor Pietersite, Pear Shape, Opaque

Pietersite

3.92ct1 pc
$ 11.71
14.6 x 8.8 mm
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0.37ct Natural Medium Gold Sapphire, Heart, VVS-VS, Photo A

0.37ct Natural Medium Gold Sapphire, Heart, VVS-VS

Sapphire

0.37ct1 pc
$ 19.04
4.5 x 4.5 mm
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3.18ctw Natural Light Yellow Green Prehnite, Oval, Transparent, Photo A

3.18ctw Natural Light Yellow Green Prehnite, Oval, Transparent

Prehnite

3.18ct total2 pcs
$ 17.42
7.5 x 6.5 mm
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1.67ct Natural Very Light Pink Morganite, Pear Shape, VS, Photo A

1.67ct Natural Very Light Pink Morganite, Pear Shape, VS

Morganite

1.67ct1 pc
$ 128.08
11 x 6.9 mm
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1.16ct Natural Medium Orange Sapphire, Round, VVS, Photo A

1.16ct Natural Medium Orange Sapphire, Round, VVS

Sapphire

1.16ct1 pc
$ 228.76
5.5 mm (calibrated)
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1.51ctw Natural Lively Green Peridot, Oval, VS, Photo A

1.51ctw Natural Lively Green Peridot, Oval, VS

Peridot

1.51ct total2 pcs
$ 21.06
7 x 5 mm (calibrated)
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20.68ct Natural Black with Gold Sheen Obsidian, Pear Shape, Opaque, Photo A

20.68ct Natural Black with Gold Sheen Obsidian, Pear Shape, Opaque

Obsidian

20.68ct1 pc
$ 15.45
31.4 x 17.3 mm
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1.97ctw Natural Medium Orange Spessartite Garnet, Round, VVS-VS, Photo A

1.97ctw Natural Medium Orange Spessartite Garnet, Round, VVS-VS

Spessartite Garnet

1.97ct total4 pcs
$ 66.91
4 mm (calibrated)
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3.63ct Natural Light Pink Tourmaline, Octagon / Emerald Cut, SI, Photo A
Tourmaline Product Video (545337)

3.63ct Natural Light Pink Tourmaline, Octagon / Emerald Cut, SI

Tourmaline

3.63ct1 pc
$ 228.68
11.6 x 6.4 mm
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22.57ct Natural Tuscany Yellow Rutile Quartz, Pear Shape, Translucent, Photo A

22.57ct Natural Tuscany Yellow Rutile Quartz, Pear Shape, Translucent

Rutile Quartz

22.57ct1 pc
$ 24.73
34.1 x 15.2 mm
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0.05ct Natural Black Diamond, Round, Opaque, Photo A

0.05ct Natural Black Diamond, Round, Opaque

Diamond

0.05ct1 pc
$ 14.53
2.1 mm (calibrated)
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6.49ct Natural Medium Pink Morganite, Oval, Transparent, Photo A

6.49ct Natural Medium Pink Morganite, Oval, Transparent

Morganite

6.49ct1 pc
$ 64.64
14 x 10 mm (calibrated)
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2.06ct Natural Cantaloupe Orange Moonstone, Square, Translucent, Photo A

2.06ct Natural Cantaloupe Orange Moonstone, Square, Translucent

Moonstone

2.06ct1 pc
$ 4.13
7 x 7 mm (calibrated)
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2.41ct Natural Deep Red Almandine Garnet, Oval, VS, Photo A

2.41ct Natural Deep Red Almandine Garnet, Oval, VS

Almandine Garnet

2.41ct1 pc
$ 90.01
9 x 7 mm (calibrated)
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2.89ctw Natural Dark Orange-Gold Sapphire, Oval, VS, Photo A

2.89ctw Natural Dark Orange-Gold Sapphire, Oval, VS

Sapphire

2.89ct total4 pcs
$ 159.04
5.9 x 4.9 mm
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2.26ct Natural Light Pink Morganite, Pear Shape, Transparent, Photo A

2.26ct Natural Light Pink Morganite, Pear Shape, Transparent

Morganite

2.26ct1 pc
$ 24.76
12 x 8 mm (calibrated)
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0.74ct Natural Shamrock Green Emerald, Octagon / Emerald Cut, SI, Photo A

0.74ct Natural Shamrock Green Emerald, Octagon / Emerald Cut, SI

Emerald

0.74ct1 pc
$ 147.41
4.7 x 4.7 mm
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1.33ct Natural Apricot Orange Sphalerite, Square, SI, Photo A

1.33ct Natural Apricot Orange Sphalerite, Square, SI

Sphalerite

1.33ct1 pc
$ 79.48
5.6 x 5.6 mm
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0.16ct Natural Black Diamond, Square, Opaque, Photo A

0.16ct Natural Black Diamond, Square, Opaque

Diamond

0.16ct1 pc
$ 79.68
2.7 x 2.5 mm
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11.60ct Natural Multicolor Fire Agate, Fancy, Translucent, Photo A
Fire Agate Product Video (584130)

11.60ct Natural Multicolor Fire Agate, Fancy, Translucent

Fire Agate

11.60ct1 pc
$ 91.00
19.7 x 11.6 mm
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0.34ct Natural Light Yellow Color-Change Diaspore, Oval, VVS-VS, Photo A

0.34ct Natural Light Yellow Color-Change Diaspore, Oval, VVS-VS

Color-Change Diaspore

0.34ct1 pc
$ 17.94
4.5 x 4 mm
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4.50ct Natural Cherry Pink Tone Kunzite, Pear Shape, VS, Photo A

4.50ct Natural Cherry Pink Tone Kunzite, Pear Shape, VS

Kunzite

4.50ct1 pc
$ 112.05
12.5 x 7.6 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 -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

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

All good

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

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

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