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Home Gemstones Gemstones By Shape Cabochon Gemstones

Natural Cabochon Gemstones

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

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7.77ctw Natural Light Pink Strawberry Quartz, Oval, Transparent, Photo A

7.77ctw Natural Light Pink Strawberry Quartz, Oval, Transparent

Strawberry Quartz

7.77ct total2 pcs
$ 41.02
11 x 9 mm (calibrated)
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0.47ct Natural Deep Orange Sphalerite, Round, SI, Photo A

0.47ct Natural Deep Orange Sphalerite, Round, SI

Sphalerite

0.47ct1 pc
$ 23.41
4.7 mm
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0.40ct Natural Intense Violet Blue Tanzanite, Pear Shape, VVS-VS, Photo A

0.40ct Natural Intense Violet Blue Tanzanite, Pear Shape, VVS-VS

Tanzanite

0.40ct1 pc
$ 23.60
6 x 4 mm (calibrated)
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3.48ct Natural Medium Violet Amethyst, Pear Shape, VVS, Photo A

3.48ct Natural Medium Violet Amethyst, Pear Shape, VVS

Amethyst

3.48ct1 pc
$ 26.69
13 x 9 mm (calibrated)
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14.53ct Natural Bi-color Ametrine, Cushion, VS, Photo A
Ametrine Product Video (571541)

14.53ct Natural Bi-color Ametrine, Cushion, VS

Ametrine

14.53ct1 pc
$ 95.52
20.9 x 11.2 mm
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1.87ctw Natural Merlot Red Pyrope Garnet, Square, VS, Photo A

1.87ctw Natural Merlot Red Pyrope Garnet, Square, VS

Pyrope Garnet

1.87ct total4 pcs
$ 14.34
4.7 x 4.6 mm
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4.22ct Natural Black Onyx, Heart, Opaque, Photo A

4.22ct Natural Black Onyx, Heart, Opaque

Onyx

4.22ct1 pc
$ 4.20
10 x 10 mm (calibrated)
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6.76ct Natural Cool Green Prehnite, Fancy, Transparent, Photo A

6.76ct Natural Cool Green Prehnite, Fancy, Transparent

Prehnite

6.76ct1 pc
$ 9.41
19.4 x 10.6 mm
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1.94ctw Natural Intense Baby Blue Zircon, Round, VVS, Photo A

1.94ctw Natural Intense Baby Blue Zircon, Round, VVS

Zircon

1.94ct total4 pcs
$ 25.51
4.5 mm (calibrated)
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0.68ct Natural Golden Sapphire, Cushion, VVS-VS, Photo A

0.68ct Natural Golden Sapphire, Cushion, VVS-VS

Sapphire

0.68ct1 pc
$ 29.90
4.6 x 4.5 mm
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7.14ctw Natural Cool Green Amazonite, Cushion, Opaque, Photo A

7.14ctw Natural Cool Green Amazonite, Cushion, Opaque

Amazonite

7.14ct total4 pcs
$ 17.37
7 x 7 mm (calibrated)
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7.31ctw Natural Deep Blood Red Almandine Garnet, Oval, VVS-VS, Photo A

7.31ctw Natural Deep Blood Red Almandine Garnet, Oval, VVS-VS

Almandine Garnet

7.31ct total2 pcs
$ 212.36
11 x 9 mm (calibrated)
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6.60ctw Natural Multicolor Pietersite, Trillion, Opaque, Photo A

6.60ctw Natural Multicolor Pietersite, Trillion, Opaque

Pietersite

6.60ct total2 pcs
$ 16.18
13.8 x 13.2 mm
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1.99ctw Natural Electric Blue Tanzanite, Pear Shape, VS, Photo A

1.99ctw Natural Electric Blue Tanzanite, Pear Shape, VS

Tanzanite

1.99ct total10 pcs
$ 76.31
5 x 3 mm (calibrated)
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2.22ctw Natural Tuscany Yellow Citrine, Round, VVS-VS, Photo A

2.22ctw Natural Tuscany Yellow Citrine, Round, VVS-VS

Citrine

2.22ct total2 pcs
$ 17.69
7 mm (calibrated)
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3.49ct Natural Deep Rose Pink Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A
Tourmaline Product Video (742812)

3.49ct Natural Deep Rose Pink Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

3.49ct1 pc
$ 434.51
7.7 x 7.2 mm
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15.82ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

15.82ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

15.82ct1 pc
$ 173.32
21.7 x 16.7 mm
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1.96ct Natural Bright Gold Citrine, Flower Cut, Transparent, Photo A

1.96ct Natural Bright Gold Citrine, Flower Cut, Transparent

Citrine

1.96ct1 pc
$ 15.03
8.2 x 7.5 mm
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1.59ct Natural Bumblebee Yellow Beryl, Oval, VS, Photo A

1.59ct Natural Bumblebee Yellow Beryl, Oval, VS

Beryl

1.59ct1 pc
$ 31.67
9 x 7 mm (calibrated)
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1.58ctw Natural Deep Brick Red Rhodolite Garnet, Square, VS, Photo A

1.58ctw Natural Deep Brick Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

1.58ct total2 pcs
$ 13.83
5 x 5 mm (calibrated)
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4.72ct Natural Deep Violet Amethyst, Pear Shape, VS, Photo A

4.72ct Natural Deep Violet Amethyst, Pear Shape, VS

Amethyst

4.72ct1 pc
$ 36.20
15 x 10 mm (calibrated)
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5.55ct Natural Medium Golden Citrine, Oval, VVS-VS, Photo A

5.55ct Natural Medium Golden Citrine, Oval, VVS-VS

Citrine

5.55ct1 pc
$ 33.32
14 x 10 mm (calibrated)
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5.56ctw Natural Medium-Light Orange-Gold Citrine, Oval, VVS, Photo A

5.56ctw Natural Medium-Light Orange-Gold Citrine, Oval, VVS

Citrine

5.56ct total2 pcs
$ 30.46
10 x 8 mm (calibrated)
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12.54ctw Natural Reddish Orange Tourmaline, Flower Cut, Transparent, Photo A
Tourmaline Product Video (690540)

12.54ctw Natural Reddish Orange Tourmaline, Flower Cut, Transparent

Tourmaline

12.54ct total2 pcs
$ 244.43
18.4 x 15.8 mm
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23.84ctw Natural Light Green Prehnite, Fancy, Transparent, Photo A

23.84ctw Natural Light Green Prehnite, Fancy, Transparent

Prehnite

23.84ct total4 pcs
$ 33.18
17.1 x 11.1 mm
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0.47ct Natural Bluish White Rainbow Moonstone, Baguette, VS, Photo A

0.47ct Natural Bluish White Rainbow Moonstone, Baguette, VS

Rainbow Moonstone

0.47ct1 pc
$ 16.38
5.8 x 3.8 mm
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63.03ct Natural Multicolor Blue Sodalite, Square, Opaque, Photo A

63.03ct Natural Multicolor Blue Sodalite, Square, Opaque

Sodalite

63.03ct1 pc
$ 52.31
25.2 x 25.1 mm
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1.22ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS-SI, Photo A

1.22ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS-SI

Color-Change Diaspore

1.22ct1 pc
$ 65.60
9.1 x 4.1 mm
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17.85ctw Natural Pine Green Amazonite, Marquise, Opaque, Photo A

17.85ctw Natural Pine Green Amazonite, Marquise, Opaque

Amazonite

17.85ct total2 pcs
$ 14.23
19.9 x 10.2 mm
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4.66ct Natural Light Yellow Quartz, Flower Cut, Transparent, Photo A

4.66ct Natural Light Yellow Quartz, Flower Cut, Transparent

Quartz

4.66ct1 pc
$ 15.32
11.5 x 11.4 mm
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1.05ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent, Photo A

1.05ct Natural Clear White Sillimanite Cat's Eye, Oval, Transparent

Sillimanite Cat's Eye

1.05ct1 pc
$ 4.03
6 x 6 mm (calibrated)
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2.32ct Natural Medium Red Ruby, Oval, VS, Photo A
Ruby Product Video (729045)

2.32ct Natural Medium Red Ruby, Oval, VS

Ruby

2.32ct1 pc
$ 207.96
8 x 6 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

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
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Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 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

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
Enlarged Gemstone Image