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Natural Cabochon Gemstones

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

Cabochon Gemstones Weight
Cabochon Gemstones Size
Cabochon Gemstones Clarity
Cabochon Gemstones Price
Cabochon Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color Cabochon Gemstones
Black Cabochon Gemstones
Blue Cabochon Gemstones
Brown Cabochon Gemstones
Golden Cabochon Gemstones
Gray Cabochon Gemstones
Green Cabochon Gemstones
Multicolor Cabochon Gemstones
Orange Cabochon Gemstones
Pink Cabochon Gemstones
Purple Cabochon Gemstones
Red Cabochon Gemstones
Turquoise Cabochon Gemstones
Violet Cabochon Gemstones
White Cabochon Gemstones
Yellow Cabochon Gemstones
Single
Pairs
Lots
Faceted
Cabochons
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14.28ct Multicolor Boulder Opal Gemstones, Cushion, Opaque
Boulder Opal Product Video (627636)

14.28ct Multicolor Boulder Opal, Cushion, Opaque

23.2 x 11.1 mm

$ 131.95

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0.61ct Light Hot Pink Tourmaline Gemstones, Round, Transparent

0.61ct Light Hot Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 29.28

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1.27ct Medium Violet Amethyst Gemstones, Oval, Transparent

1.27ct Medium Violet Amethyst, Oval, Transparent

10 x 5.1 mm

$ 10.67

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35.24ctw Multicolor Jasper Gemstones, Oval, Opaque

35.24ctw Multicolor Jasper, Oval, Opaque

33.3 x 14.8 mm

$ 69.78

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6.24ctw Warm White Moonstone Gemstones, Round, Translucent

6.24ctw Warm White Moonstone, Round, Translucent

9 mm (calibrated)

$ 20.59

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18.17ct Multicolor Jasper Gemstones, Oval, Opaque

18.17ct Multicolor Jasper, Oval, Opaque

20 x 15 mm (calibrated)

$ 35.99

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4.93ct Multicolor Labradorite Gemstones, Marquise, Translucent

4.93ct Multicolor Labradorite, Marquise, Translucent

16 x 8 mm (calibrated)

$ 13.13

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16.74ct Multicolor Agate Gemstones, Oval, Opaque

16.74ct Multicolor Agate, Oval, Opaque

15.8 x 14.3 mm

$ 16.07

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9.10ct Multicolor Agate Gemstones, Round, Opaque

9.10ct Multicolor Agate, Round, Opaque

12 mm (calibrated)

$ 10.38

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2.22ct Very Light Green Prehnite Gemstones, Oval, Transparent/Translucent

2.22ct Very Light Green Prehnite, Oval, Transparent/Translucent

8.8 x 6.7 mm

$ 7.91

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3.64ct Purplish Violet Amethyst Gemstones, Oval, Transparent

3.64ct Purplish Violet Amethyst, Oval, Transparent

11 x 9 mm (calibrated)

$ 26.21

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3.99ct Reddish Orange Spessartite Garnet Gemstones, Pear Shape, Transparent

3.99ct Reddish Orange Spessartite Garnet, Pear Shape, Transparent

10 x 8 mm (calibrated)

$ 119.70

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18.34ct Reddish Brown Moonstone Gemstones, Oval, Opaque

18.34ct Reddish Brown Moonstone, Oval, Opaque

20 x 15 mm (calibrated)

$ 48.42

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60.34ctw Black Gray Hematite Gemstones, Pear Shape, Opaque

60.34ctw Black Gray Hematite, Pear Shape, Opaque

24.3 x 16.8 mm

$ 70.88

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3.37ctw Deep Navy Blue Star Sapphire Gemstones, Oval, Opaque

3.37ctw Deep Navy Blue Star Sapphire, Oval, Opaque

7 x 5.2 mm

$ 88.97

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1.59ct Light Yellow Citrine Gemstones, Oval, Transparent

1.59ct Light Yellow Citrine, Oval, Transparent

8 x 6 mm (calibrated)

$ 10.49

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14.52ct Multicolor Ammolite Gemstones, Fancy, Opaque

14.52ct Multicolor Ammolite, Fancy, Opaque

19 x 15.9 mm

$ 191.66

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49.20ct Multicolor Jasper Gemstones, Oval, Opaque

49.20ct Multicolor Jasper, Oval, Opaque

34.7 x 22.1 mm

$ 37.01

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20.88ct Black Onyx Gemstones, Oval, Opaque

20.88ct Black Onyx, Oval, Opaque

22.1 x 15.8 mm

$ 112.75

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32.04ct Gray-White Black Snowflake Obsidian Gemstones, Oval, Opaque

32.04ct Gray-White Black Snowflake Obsidian, Oval, Opaque

30 x 20.6 mm

$ 23.06

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1.61ct Multicolor Opal Gemstones, Oval, Opaque

1.61ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 57.96

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0.76ct Earth Green Tourmaline Gemstones, Round, Transparent

0.76ct Earth Green Tourmaline, Round, Transparent

5.5 mm (calibrated)

$ 15.70

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2.99ct Intense Violet Blue Tanzanite Gemstones, Oval, Transparent

2.99ct Intense Violet Blue Tanzanite, Oval, Transparent

9 x 7 mm (calibrated)

$ 31.18

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9.84ct Warm Forest Green Cat's Eye Opal Gemstones, Oval, Opaque

9.84ct Warm Forest Green Cat's Eye Opal, Oval, Opaque

18.2 x 15.4 mm

$ 29.52

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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

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

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
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate
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