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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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Black Cabochon Gemstones
Blue Cabochon Gemstones
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Gray Cabochon Gemstones
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Turquoise
Violet
White
Yellow Cabochon Gemstones
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4.88ctw Navy Blue Star Sapphire, Round, Opaque

7 mm (calibrated)

$ 122.39

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28.69ct Gold Star Sapphire, Oval, Opaque

18.2 x 15.4 mm

$ 340.84

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1.36ct Dark Blue Star Sapphire, Oval, Opaque

8 x 6 mm (calibrated)

$ 54.40

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2.92ctw Deep Navy Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 77.09

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1.46ct Deep Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 40.30

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4.54ctw Deep Navy Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 107.87

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29.51ct Orangish Gold Star Sapphire, Oval, Opaque

19.5 x 16.6 mm

$ 318.71

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12.12ct Purple Silver Star Sapphire, Oval, Opaque

12.3 x 11.4 mm

$ 559.94

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28.87ct Golden Yellow Star Sapphire, Oval, Opaque

18.6 x 16.2 mm

$ 342.97

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4.70ct Black Star Sapphire, Oval, Opaque

10.5 x 8.4 mm

$ 101.52

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1.58ct Navy Blue Star Sapphire, Oval, Opaque

6.9 x 5.3 mm

$ 39.62

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3.80ctw Deep Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 90.29

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4.92ct Black Star Sapphire, Oval, Opaque

11 x 9 mm (calibrated)

$ 117.60

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3.93ctw Deep Navy Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 103.75

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2.93ctw Deep Navy Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 77.35

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3.50ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 75.60

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1.64ct Dark Blue Star Sapphire, Oval, Opaque

7.2 x 5.2 mm

$ 45.26

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5.71ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 123.34

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3.24ctw Dark Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 76.98

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1.40ct Deep Blue Star Sapphire, Oval, Opaque

8 x 6 mm (calibrated)

$ 56.00

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3.05ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 54.90

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5.20ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 112.32

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1.80ct Navy Blue Star Sapphire, Oval, Opaque

7.3 x 5.3 mm

$ 49.68

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4.72ctw Dark Blue Star Sapphire, Oval, Opaque

7 x 5 mm (calibrated)

$ 112.15

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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 selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate
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