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Natural Cabochon Gemstones

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

Exact Match not Available: Go Back
5.79ctw Natural Sky Blue Topaz, Heart, VVS, Photo A

5.79ctw Natural Sky Blue Topaz, Heart, VVS

Topaz

5.79ct total2 pcs
$ 49.68
9 x 9 mm (calibrated)
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5.34ct Natural Rose Pink Strawberry Quartz, Oval, Translucent, Photo A

5.34ct Natural Rose Pink Strawberry Quartz, Oval, Translucent

Strawberry Quartz

5.34ct1 pc
$ 49.34
11 x 9 mm (calibrated)
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2.91ctw Natural Blood Red Pyrope Garnet, Square, VS, Photo A

2.91ctw Natural Blood Red Pyrope Garnet, Square, VS

Pyrope Garnet

2.91ct total4 pcs
$ 26.89
5 x 5 mm (calibrated)
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35.34ct Natural Medium Green Amazonite, Oval, Opaque, Photo A

35.34ct Natural Medium Green Amazonite, Oval, Opaque

Amazonite

35.34ct1 pc
$ 33.92
33.6 x 19.5 mm
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5.09ct Natural Deep Purplish Violet Amethyst, Pear Shape, VS, Photo A

5.09ct Natural Deep Purplish Violet Amethyst, Pear Shape, VS

Amethyst

5.09ct1 pc
$ 44.56
14 x 10 mm (calibrated)
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0.88ct Natural Deep Green Tourmaline, Octagon / Emerald Cut, VS-SI, Photo A

0.88ct Natural Deep Green Tourmaline, Octagon / Emerald Cut, VS-SI

Tourmaline

0.88ct1 pc
$ 28.92
8.6 x 4.1 mm
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0.93ct Natural Medium Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

0.93ct Natural Medium Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

0.93ct1 pc
$ 55.80
9.6 x 3.8 mm
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4.24ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

4.24ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

4.24ct total5 pcs
$ 28.03
7 x 5 mm (calibrated)
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0.62ct Natural Medium Green Peridot, Marquise, VS, Photo A

0.62ct Natural Medium Green Peridot, Marquise, VS

Peridot

0.62ct1 pc
$ 11.90
8 x 4 mm (calibrated)
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3.61ct Natural Deep Golden Orange Citrine, Pear Shape, VVS-VS, Photo A

3.61ct Natural Deep Golden Orange Citrine, Pear Shape, VVS-VS

Citrine

3.61ct1 pc
$ 27.31
12 x 10 mm (calibrated)
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0.99ctw Natural Fern Green Emerald, Oval, Translucent, Photo A

0.99ctw Natural Fern Green Emerald, Oval, Translucent

Emerald

0.99ct total2 pcs
$ 83.16
6 x 4 mm (calibrated)
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2.15ct Natural Intense Violet Blue Tanzanite, Oval, Translucent, Photo A

2.15ct Natural Intense Violet Blue Tanzanite, Oval, Translucent

Tanzanite

2.15ct1 pc
$ 20.64
9 x 7 mm (calibrated)
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0.78ct Natural Yellowish Orange Hessonite Garnet, Oval, VS, Photo A

0.78ct Natural Yellowish Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

0.78ct1 pc
$ 16.40
6.5 x 5 mm
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1.23ct Natural Mustard Yellow Beryl, Oval, VVS-VS, Photo A

1.23ct Natural Mustard Yellow Beryl, Oval, VVS-VS

Beryl

1.23ct1 pc
$ 32.47
8 x 6 mm (calibrated)
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1.24ct Natural Light Violet Spinel, Cushion, VS, Photo A

1.24ct Natural Light Violet Spinel, Cushion, VS

Spinel

1.24ct1 pc
$ 75.08
6.5 x 6.2 mm
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0.21ct Natural Green Diamond, Round, VS-SI, Photo A
Diamond Product Video (719087)

0.21ct Natural Green Diamond, Round, VS-SI

Diamond

0.21ct1 pc
$ 282.82
3.7 mm
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0.02ct Natural Blue Diamond, Round, VS, Photo A

0.02ct Natural Blue Diamond, Round, VS

Diamond

0.02ct1 pc
$ 29.33
1.7 mm
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5.09ctw Natural Medium-Dark Purplish Violet Amethyst, Fancy, VS, Photo A

5.09ctw Natural Medium-Dark Purplish Violet Amethyst, Fancy, VS

Amethyst

5.09ct total5 pcs
$ 40.31
9 x 4.6 mm
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11.48ct Natural Reddish Purple Star Ruby, Oval, Opaque, Photo A
Star Ruby Product Video (523128)

11.48ct Natural Reddish Purple Star Ruby, Oval, Opaque

Star Ruby

11.48ct1 pc
$ 181.85
14.1 x 11.4 mm
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1.40ctw Natural Medium Dark-Golden Citrine, Trillion, VS, Photo A

1.40ctw Natural Medium Dark-Golden Citrine, Trillion, VS

Citrine

1.40ct total2 pcs
$ 11.76
6.3 x 6.3 mm
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2.86ct Natural Medium Green Blue Grandidierite, Pear Shape, Translucent, Photo A

2.86ct Natural Medium Green Blue Grandidierite, Pear Shape, Translucent

Grandidierite

2.86ct1 pc
$ 188.76
10.6 x 7.6 mm
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7.25ct Natural Medium Green Agate, Oval, Translucent, Photo A

7.25ct Natural Medium Green Agate, Oval, Translucent

Agate

7.25ct1 pc
$ 7.66
12 x 12 mm (calibrated)
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2.81ct Natural Medium Purple Kunzite, Octagon / Emerald Cut, VVS-VS, Photo A

2.81ct Natural Medium Purple Kunzite, Octagon / Emerald Cut, VVS-VS

Kunzite

2.81ct1 pc
$ 84.30
9 x 6 mm (calibrated)
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6.87ctw Natural Medium Violet Amethyst, Oval, Transparent, Photo A

6.87ctw Natural Medium Violet Amethyst, Oval, Transparent

Amethyst

6.87ct total2 pcs
$ 45.35
11 x 9 mm (calibrated)
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4.11ctw Natural Navy Blue Star Sapphire, Round, Opaque, Photo A

4.11ctw Natural Navy Blue Star Sapphire, Round, Opaque

Star Sapphire

4.11ct total2 pcs
$ 103.08
7 mm (calibrated)
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3.46ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS, Photo A

3.46ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS

Amethyst

3.46ct1 pc
$ 30.28
14 x 10 mm (calibrated)
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11.88ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

11.88ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

11.88ct1 pc
$ 313.63
20 x 11.7 mm
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0.49ct Natural Reddish Orange Sapphire, Pear Shape, VS, Photo A

0.49ct Natural Reddish Orange Sapphire, Pear Shape, VS

Sapphire

0.49ct1 pc
$ 59.74
6 x 4 mm (calibrated)
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13.06ctw Natural Medium Green Prehnite, Fancy, Translucent, Photo A

13.06ctw Natural Medium Green Prehnite, Fancy, Translucent

Prehnite

13.06ct total2 pcs
$ 25.86
17.4 x 11.4 mm
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0.97ct Natural Multicolor Black Opal, Octagon / Emerald Cut, Opaque, Photo A

0.97ct Natural Multicolor Black Opal, Octagon / Emerald Cut, Opaque

Black Opal

0.97ct1 pc
$ 29.96
8.5 x 6.2 mm
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0.95ct Natural Multicolor Opal, Marquise, Transparent, Photo A

0.95ct Natural Multicolor Opal, Marquise, Transparent

Opal

0.95ct1 pc
$ 43.90
10.1 x 5.3 mm
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2.19ctw Natural Deep Violet Blue Tanzanite, Pear Shape, VS, Photo A

2.19ctw Natural Deep Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

2.19ct total10 pcs
$ 101.18
5 x 3 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 -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate
Enlarged Gemstone Image