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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

Choose Size or Size Range
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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1.58ct Blue Star Sapphire, Oval, Opaque

1.58ct Blue Star Sapphire, Oval, Opaque

6.9 x 5.3 mm

$ 39.62

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1.07ct Green Sphene, Oval, Transparent

1.07ct Green Sphene, Oval, Transparent

6 mm (calibrated)

$ 6.42

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69.23ct Multicolor Jasper, Oval, Opaque

69.23ct Multicolor Jasper, Oval, Opaque

46.3 x 27 mm

$ 48.18

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67.56ct Green Agate, Oval, Translucent

67.56ct Green Agate, Oval, Translucent

29.4 x 24.5 mm

$ 40.54

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1.34ct Multicolor Labradorite, Round, Translucent

1.34ct Multicolor Labradorite, Round, Translucent

7 mm (calibrated)

$ 3.92

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22.73ct Yellow Rutile Quartz, Pear Shape, Translucent

22.73ct Yellow Rutile Quartz, Pear Shape, Translucent

24.4 x 15.7 mm

$ 30.00

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24.06ctw Multicolor Jasper, Pear Shape, Opaque

24.06ctw Multicolor Jasper, Pear Shape, Opaque

33.5 x 12.1 mm

$ 47.64

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4.43ct Multicolor Chocolate Opal, Pear Shape, Transparent

4.43ct Multicolor Chocolate Opal, Pear Shape, Transparent

15 x 15 mm (calibrated)

$ 132.90

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2.48ct Orange Spessartite Garnet, Oval, Transparent

2.48ct Orange Spessartite Garnet, Oval, Transparent

7.6 x 7.2 mm

$ 74.40

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31.75ct Gray Hematite, Round, Opaque

31.75ct Gray Hematite, Round, Opaque

23.2 mm

$ 41.92

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24.95ct Pink Rose Quartz, Oval, Transparent

24.95ct Pink Rose Quartz, Oval, Transparent

20.3 x 15.6 mm

$ 65.87

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4.91ctw Blue Tanzanite, Oval, Transparent

4.91ctw Blue Tanzanite, Oval, Transparent

9 x 7 mm (calibrated)

$ 51.20

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2.90ct Multicolor Opal Triplet, Oval, Opaque

2.90ct Multicolor Opal Triplet, Oval, Opaque

12 x 10 mm (calibrated)

$ 87.00

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113.30ct Violet Amethyst, Square, Opaque

113.30ct Violet Amethyst, Square, Opaque

28.6 x 28.3 mm

$ 113.30

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38.72ct Multicolor Jasper, Cushion, Opaque

38.72ct Multicolor Jasper, Cushion, Opaque

24.6 x 23.9 mm

$ 34.24

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14.73ct Multicolor Jasper, Oval, Opaque

14.73ct Multicolor Jasper, Oval, Opaque

20 x 15 mm (calibrated)

$ 29.17

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13.46ct Turquoise Larimar, Oval, Opaque

13.46ct Turquoise Larimar, Oval, Opaque

20 x 15 mm (calibrated)

$ 193.62

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16.55ct Multicolor Ammolite, Fancy, Opaque
Ammolite Product Video (718537)

16.55ct Multicolor Ammolite, Fancy, Opaque

22 x 14.3 mm

$ 397.20

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11.88ct Multicolor Ammolite, Fancy, Opaque

11.88ct Multicolor Ammolite, Fancy, Opaque

20 x 11.7 mm

$ 313.63

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7.09ct Multicolor Black Opal, Pear Shape, Opaque

7.09ct Multicolor Black Opal, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 255.24

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31.25ct Multicolor Quartz With Marcasite, Pear Shape, Transparent
Quartz With Marcasite Product Video (521449)

31.25ct Multicolor Quartz With Marcasite, Pear Shape, Transparent

34.3 x 17.2 mm

$ 247.50

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5.17ct Black Star Sapphire, Oval, Opaque

5.17ct Black Star Sapphire, Oval, Opaque

10 x 8 mm (calibrated)

$ 111.67

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6.01ct Black Star Diopside, Oval, Opaque

6.01ct Black Star Diopside, Oval, Opaque

12 x 10 mm (calibrated)

$ 36.06

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30.48ct Gray Obsidian, Oval, Opaque

30.48ct Gray Obsidian, Oval, Opaque

30 x 22 mm (calibrated)

$ 28.98

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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

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

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

All good

Posted By DouscheGift in August, 2025
Source: Bizrate
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