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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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3.25ct Natural Warm White Moonstone, Oval, Translucent, Photo A

3.25ct Natural Warm White Moonstone, Oval, Translucent

Moonstone

3.25ct1 pc
$ 35.61
11.9 x 8.6 mm
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1.91ctw Natural Intense Violet Blue Tanzanite, Oval, VS, Photo A

1.91ctw Natural Intense Violet Blue Tanzanite, Oval, VS

Tanzanite

1.91ct total5 pcs
$ 136.02
6 x 4 mm (calibrated)
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12.01ct Natural Deep Green Maw-Sit-Sit, Round, Opaque, Photo A

12.01ct Natural Deep Green Maw-Sit-Sit, Round, Opaque

Maw-Sit-Sit

12.01ct1 pc
$ 37.11
14 mm (calibrated)
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0.03ct Natural Green Diamond, Round, VVS-VS, Photo A

0.03ct Natural Green Diamond, Round, VVS-VS

Diamond

0.03ct1 pc
$ 24.90
2.2 mm (calibrated)
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0.36ct Natural Medium Dark Blue Sapphire, Heart, VVS-VS, Photo A

0.36ct Natural Medium Dark Blue Sapphire, Heart, VVS-VS

Sapphire

0.36ct1 pc
$ 28.68
4.3 x 4.3 mm
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2.38ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI, Photo A

2.38ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

2.38ct1 pc
$ 52.15
7.6 x 7.6 mm
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6.12ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque, Photo A

6.12ct Natural Multicolor Rainbow Pyrite, Fancy, Opaque

Rainbow Pyrite

6.12ct1 pc
$ 15.84
14.9 x 11.8 mm
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23.24ct Natural Medium Gray Hematite, Marquise, Opaque, Photo A

23.24ct Natural Medium Gray Hematite, Marquise, Opaque

Hematite

23.24ct1 pc
$ 22.66
26.5 x 12.1 mm
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0.74ct Natural Blue-Green Sapphire, Cushion, VS, Photo A

0.74ct Natural Blue-Green Sapphire, Cushion, VS

Sapphire

0.74ct1 pc
$ 88.44
5 x 4 mm (calibrated)
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1.01ct Natural Medium Purple Rhodolite Garnet, Oval, VS, Photo A

1.01ct Natural Medium Purple Rhodolite Garnet, Oval, VS

Rhodolite Garnet

1.01ct1 pc
$ 26.83
7 x 5 mm (calibrated)
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0.44ct Natural Light Blue Sapphire, Heart, VS, Photo A

0.44ct Natural Light Blue Sapphire, Heart, VS

Sapphire

0.44ct1 pc
$ 35.06
4.5 x 4.5 mm
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1.09ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.09ct Natural Multicolor Opal, Oval, Transparent

Opal

1.09ct1 pc
$ 27.50
10 x 7 mm (calibrated)
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2.34ctw Natural White Zircon, Round, VS, Photo A

2.34ctw Natural White Zircon, Round, VS

Zircon

2.34ct total2 pcs
$ 69.22
6 mm (calibrated)
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3.73ctw Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS, Photo A

3.73ctw Natural Swiss Blue Topaz, Octagon / Emerald Cut, VVS

Topaz

3.73ct total2 pcs
$ 29.72
8 x 6 mm (calibrated)
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1.18ct Natural Light Honey Yellow Beryl, Oval, VS, Photo A

1.18ct Natural Light Honey Yellow Beryl, Oval, VS

Beryl

1.18ct1 pc
$ 29.38
8 x 6 mm (calibrated)
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2.19ct Natural Deep Orange Hessonite Garnet, Square, VS-SI, Photo A

2.19ct Natural Deep Orange Hessonite Garnet, Square, VS-SI

Hessonite Garnet

2.19ct1 pc
$ 47.99
7 x 7 mm (calibrated)
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4.45ct Natural Medium Light-Purple Star Ruby, Oval, Opaque, Photo A

4.45ct Natural Medium Light-Purple Star Ruby, Oval, Opaque

Star Ruby

4.45ct1 pc
$ 70.92
10.3 x 7.6 mm
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76.64ct Natural Mahogany Red Star Garnet, Oval, Opaque, Photo A

76.64ct Natural Mahogany Red Star Garnet, Oval, Opaque

Star Garnet

76.64ct1 pc
$ 75.56
26.1 x 22.7 mm
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2.82ctw Natural Yellowish Green Peridot, Round, VVS-VS, Photo A

2.82ctw Natural Yellowish Green Peridot, Round, VVS-VS

Peridot

2.82ct total6 pcs
$ 42.13
5 mm (calibrated)
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0.64ct Natural Light Rose Pink Spinel, Cushion, VVS, Photo A

0.64ct Natural Light Rose Pink Spinel, Cushion, VVS

Spinel

0.64ct1 pc
$ 44.62
5.2 x 4.6 mm
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0.17ctw Natural K Diamond, Round, VVS-VS, Photo A

0.17ctw Natural K Diamond, Round, VVS-VS

Diamond

0.17ct total2 pcs
$ 308.86
2.9 mm (calibrated)
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1.67ct Natural Deep Red Almandine Garnet, Baguette, VVS, Photo A

1.67ct Natural Deep Red Almandine Garnet, Baguette, VVS

Almandine Garnet

1.67ct1 pc
$ 62.37
10 x 5 mm
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3.52ct Natural Multicolor Mystic Quartz, Round, VVS-VS, Photo A

3.52ct Natural Multicolor Mystic Quartz, Round, VVS-VS

Mystic Quartz

3.52ct1 pc
$ 21.03
10 mm (calibrated)
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0.48ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.48ct Natural Multicolor Opal, Oval, Opaque

Opal

0.48ct1 pc
$ 14.34
7 x 5 mm (calibrated)
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10.04ct Natural Black Onyx, Pear Shape, Opaque, Photo A

10.04ct Natural Black Onyx, Pear Shape, Opaque

Onyx

10.04ct1 pc
$ 10.00
18 x 13 mm (calibrated)
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0.94ctw Natural Medium Red Pyrope Garnet, Square, VVS-VS, Photo A

0.94ctw Natural Medium Red Pyrope Garnet, Square, VVS-VS

Pyrope Garnet

0.94ct total2 pcs
$ 7.21
4 x 4 mm (calibrated)
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2.64ct Natural Warm Forest Green Apatite, Octagon / Emerald Cut, VS, Photo A

2.64ct Natural Warm Forest Green Apatite, Octagon / Emerald Cut, VS

Apatite

2.64ct1 pc
$ 107.46
8 x 8 mm (calibrated)
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0.73ct Natural Golden-Brown Color-Change Garnet, Octagon / Emerald Cut, VVS, Photo A

0.73ct Natural Golden-Brown Color-Change Garnet, Octagon / Emerald Cut, VVS

Color-Change Garnet

0.73ct1 pc
$ 79.18
7.1 x 3.5 mm
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7.57ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent, Photo A

7.57ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent

Amethyst Geode Slice

7.57ct1 pc
$ 8.07
18.3 x 14.1 mm
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2.89ctw Natural Deep Scarlet Red Rhodolite Garnet, Square, VS, Photo A

2.89ctw Natural Deep Scarlet Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

2.89ct total4 pcs
$ 25.30
5 x 5 mm (calibrated)
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6.98ctw Natural Swiss Blue Topaz, Oval, VVS-VS, Photo A

6.98ctw Natural Swiss Blue Topaz, Oval, VVS-VS

Topaz

6.98ct total2 pcs
$ 44.22
10 x 8 mm (calibrated)
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1.37ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

1.37ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.37ct1 pc
$ 36.02
15.9 x 3 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

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
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Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
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Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
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Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
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Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
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Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
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