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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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1.28ct Natural Multicolor Black Opal, Pear Shape, Opaque, Photo A

1.28ct Natural Multicolor Black Opal, Pear Shape, Opaque

Black Opal

1.28ct1 pc
$ 35.06
10 x 6.6 mm
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0.59ct Natural Very Light Sage Green Sapphire, Cushion, VS, Photo A

0.59ct Natural Very Light Sage Green Sapphire, Cushion, VS

Sapphire

0.59ct1 pc
$ 32.05
4.5 x 4.5 mm
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0.94ct Natural Dark Brown Color-Change Garnet, Oval, VS, Photo A

0.94ct Natural Dark Brown Color-Change Garnet, Oval, VS

Color-Change Garnet

0.94ct1 pc
$ 75.10
6.6 x 5.1 mm
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1.60ctw Natural Multicolor Opal, Oval, Transparent, Photo A

1.60ctw Natural Multicolor Opal, Oval, Transparent

Opal

1.60ct total4 pcs
$ 70.12
7 x 5 mm (calibrated)
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1.65ct Natural Hot Pink Tourmaline, Oval, VVS-VS, Photo A

1.65ct Natural Hot Pink Tourmaline, Oval, VVS-VS

Tourmaline

1.65ct1 pc
$ 191.73
8.3 x 6.6 mm
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2.46ct Natural Deep Blue Kyanite, Cushion, SI, Photo A

2.46ct Natural Deep Blue Kyanite, Cushion, SI

Kyanite

2.46ct1 pc
$ 61.25
10.6 x 7 mm
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2.08ct Natural Fire Orange Hessonite Garnet, Cushion, VS, Photo A

2.08ct Natural Fire Orange Hessonite Garnet, Cushion, VS

Hessonite Garnet

2.08ct1 pc
$ 35.42
7 x 7 mm (calibrated)
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3.54ctw Natural Merlot Red Pyrope Garnet, Marquise, VVS-VS, Photo A

3.54ctw Natural Merlot Red Pyrope Garnet, Marquise, VVS-VS

Pyrope Garnet

3.54ct total2 pcs
$ 35.03
12 x 6.1 mm
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1.22ct Natural Deep Orange Hessonite Garnet, Oval, VS-SI, Photo A

1.22ct Natural Deep Orange Hessonite Garnet, Oval, VS-SI

Hessonite Garnet

1.22ct1 pc
$ 21.87
7 x 5 mm (calibrated)
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22.90ctw Natural Multicolor Agate Geode, Fancy, Opaque, Photo A
Agate Geode Product Video (446970)

22.90ctw Natural Multicolor Agate Geode, Fancy, Opaque

Agate Geode

22.90ct total2 pcs
$ 62.73
25.1 x 15.2 mm
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5.35ct Natural Greenish Grey Quartz Cat's Eye, Oval, Opaque, Photo A

5.35ct Natural Greenish Grey Quartz Cat's Eye, Oval, Opaque

Quartz Cat's Eye

5.35ct1 pc
$ 17.59
12 x 10 mm (calibrated)
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1.09ct Natural Rapberry Red Rhodolite Garnet, Oval, VS, Photo A

1.09ct Natural Rapberry Red Rhodolite Garnet, Oval, VS

Rhodolite Garnet

1.09ct1 pc
$ 28.95
7 x 5 mm (calibrated)
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24.78ct Natural Multicolor Jasper, Oval, Opaque, Photo A

24.78ct Natural Multicolor Jasper, Oval, Opaque

Jasper

24.78ct1 pc
$ 12.22
28.3 x 18.9 mm
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0.33ct Natural Dark Bluish Purple Iolite, Baguette, VS, Photo A

0.33ct Natural Dark Bluish Purple Iolite, Baguette, VS

Iolite

0.33ct1 pc
$ 13.15
5 x 3 mm (calibrated)
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1.57ct Natural Olive Green Sphene, Oval, Transparent, Photo A

1.57ct Natural Olive Green Sphene, Oval, Transparent

Sphene

1.57ct1 pc
$ 7.82
7.3 x 6.4 mm
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9.69ct Natural Multicolor Boulder Opal, Trillion, Opaque, Photo A

9.69ct Natural Multicolor Boulder Opal, Trillion, Opaque

Boulder Opal

9.69ct1 pc
$ 40.21
14 x 14 mm (calibrated)
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4.03ct Natural Lime Green Prehnite, Oval, Transparent, Photo A
Prehnite Product Video (368487)

4.03ct Natural Lime Green Prehnite, Oval, Transparent

Prehnite

4.03ct1 pc
$ 18.25
9.4 x 8.3 mm
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15.67ct Natural Purplish Violet Amethyst, Octagon / Emerald Cut, VS, Photo A

15.67ct Natural Purplish Violet Amethyst, Octagon / Emerald Cut, VS

Amethyst

15.67ct1 pc
$ 109.25
18 x 13 mm (calibrated)
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7.62ctw Natural White Zircon, Oval, VVS-VS, Photo A

7.62ctw Natural White Zircon, Oval, VVS-VS

Zircon

7.62ct total10 pcs
$ 46.42
6 x 4 mm (calibrated)
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4.61ctw Natural Deep Red Pyrope Garnet, Pear Shape, VVS-VS, Photo A

4.61ctw Natural Deep Red Pyrope Garnet, Pear Shape, VVS-VS

Pyrope Garnet

4.61ct total6 pcs
$ 35.36
7 x 5 mm (calibrated)
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2.89ct Natural Pinkish Violet Amethyst, Trillion, VS, Photo A

2.89ct Natural Pinkish Violet Amethyst, Trillion, VS

Amethyst

2.89ct1 pc
$ 20.15
10 x 10 mm (calibrated)
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3.79ct Natural Multicolor Black Opal, Oval, Opaque, Photo A

3.79ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

3.79ct1 pc
$ 110.41
14.7 x 10.6 mm
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1.37ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.37ct Natural Multicolor Opal, Oval, Opaque

Opal

1.37ct1 pc
$ 40.94
9 x 7 mm (calibrated)
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1.05ct Natural Deep Crimson Ruby, Octagon / Emerald Cut, VS, Photo A

1.05ct Natural Deep Crimson Ruby, Octagon / Emerald Cut, VS

Ruby

1.05ct1 pc
$ 94.12
6 x 4.3 mm
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4.94ct Natural Hickory Brown Smoky Quartz, Round, VVS-VS, Photo A

4.94ct Natural Hickory Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

4.94ct1 pc
$ 27.06
12 mm (calibrated)
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0.69ct Natural Pistachio Green Emerald, Oval, Translucent, Photo A

0.69ct Natural Pistachio Green Emerald, Oval, Translucent

Emerald

0.69ct1 pc
$ 54.98
6.5 x 4.9 mm
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1.52ct Natural Deep Magenta Tourmaline, Round, Transparent, Photo A

1.52ct Natural Deep Magenta Tourmaline, Round, Transparent

Tourmaline

1.52ct1 pc
$ 26.05
6.5 mm (calibrated)
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7.84ctw Natural Warm White Moonstone, Round, Translucent, Photo A

7.84ctw Natural Warm White Moonstone, Round, Translucent

Moonstone

7.84ct total2 pcs
$ 21.47
9 mm (calibrated)
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2.09ctw Natural White Zircon, Oval, VVS-VS, Photo A

2.09ctw Natural White Zircon, Oval, VVS-VS

Zircon

2.09ct total2 pcs
$ 12.39
7 x 5 mm (calibrated)
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15.08ct Natural Medium-Light Yellow Quartz, Cushion, VVS, Photo A

15.08ct Natural Medium-Light Yellow Quartz, Cushion, VVS

Quartz

15.08ct1 pc
$ 33.05
20 x 15 mm (calibrated)
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3.88ct Natural Medium Golden Citrine, Oval, VVS-VS, Photo A

3.88ct Natural Medium Golden Citrine, Oval, VVS-VS

Citrine

3.88ct1 pc
$ 30.92
11 x 9 mm (calibrated)
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1.57ct Natural Deep Blue Tanzanite, Oval, Transparent, Photo A

1.57ct Natural Deep Blue Tanzanite, Oval, Transparent

Tanzanite

1.57ct1 pc
$ 13.59
8 x 6 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 -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
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Overall Rating -> 7 star ratings

easy interface for a pricless buy

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

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
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Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
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Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
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Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
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