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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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3.16ct Natural Multicolor Boulder Opal, Cushion, Opaque, Photo A

3.16ct Natural Multicolor Boulder Opal, Cushion, Opaque

Boulder Opal

3.16ct1 pc
$ 13.11
9.7 x 7.6 mm
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73.43ct Natural Light Sage Green Uvarovite Garnet Drusy, Fancy, Opaque, Photo A

73.43ct Natural Light Sage Green Uvarovite Garnet Drusy, Fancy, Opaque

Uvarovite Garnet Drusy

73.43ct1 pc
$ 109.71
34.7 x 30.4 mm
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2.30ctw Natural White Zircon, Oval, VVS, Photo A

2.30ctw Natural White Zircon, Oval, VVS

Zircon

2.30ct total2 pcs
$ 13.66
7 x 5 mm (calibrated)
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0.82ct Natural Yellow Beige Color-Change Diaspore, Octagon / Emerald Cut, VS, Photo A

0.82ct Natural Yellow Beige Color-Change Diaspore, Octagon / Emerald Cut, VS

Color-Change Diaspore

0.82ct1 pc
$ 30.46
6.5 x 5 mm
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6.93ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS, Photo A

6.93ct Natural Medium Violet Amethyst, Pear Shape, VVS-VS

Amethyst

6.93ct1 pc
$ 53.14
16 x 12 mm (calibrated)
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1.43ct Natural Deep Orange Hessonite Garnet, Cushion, VS, Photo A

1.43ct Natural Deep Orange Hessonite Garnet, Cushion, VS

Hessonite Garnet

1.43ct1 pc
$ 21.26
7 x 5 mm (calibrated)
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1.54ctw Natural Teal Sapphire, Briolette, VS, Photo A
Sapphire Product Video (734004)

1.54ctw Natural Teal Sapphire, Briolette, VS

Sapphire

1.54ct total2 pcs
$ 138.05
6 x 4 mm (calibrated)
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1.50ctw Natural Pinkish Red Rhodolite Garnet, Square, VS, Photo A

1.50ctw Natural Pinkish Red Rhodolite Garnet, Square, VS

Rhodolite Garnet

1.50ct total2 pcs
$ 13.13
5 x 5 mm (calibrated)
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10.02ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque, Photo A

10.02ct Natural Schorl Tourmaline, Octagon / Emerald Cut, Opaque

Tourmaline

10.02ct1 pc
$ 49.90
15 x 10 mm (calibrated)
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0.55ct Natural Light Golden-Yellow Beryl, Oval, VVS, Photo A

0.55ct Natural Light Golden-Yellow Beryl, Oval, VVS

Beryl

0.55ct1 pc
$ 10.50
7.3 x 5 mm
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0.33ct Natural Blue Green Apatite, Round, VS-SI, Photo A

0.33ct Natural Blue Green Apatite, Round, VS-SI

Apatite

0.33ct1 pc
$ 9.90
4 mm (calibrated)
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1.80ct Natural Amber Orange Hessonite Garnet, Octagon / Emerald Cut, SI, Photo A

1.80ct Natural Amber Orange Hessonite Garnet, Octagon / Emerald Cut, SI

Hessonite Garnet

1.80ct1 pc
$ 30.27
7 x 7 mm (calibrated)
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37.13ct Natural Light Bluish Green Turquoise, Oval, Opaque, Photo A

37.13ct Natural Light Bluish Green Turquoise, Oval, Opaque

Turquoise

37.13ct1 pc
$ 110.95
27.6 x 20.9 mm
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5.07ct Natural Medium Brown Smoky Quartz, Octagon / Emerald Cut, VS, Photo A

5.07ct Natural Medium Brown Smoky Quartz, Octagon / Emerald Cut, VS

Smoky Quartz

5.07ct1 pc
$ 13.89
10.5 x 10.4 mm
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1.81ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

1.81ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

1.81ct total2 pcs
$ 12.83
7.2 x 5.3 mm
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7.58ct Natural Multicolor Boulder Opal, Fancy, Opaque, Photo A

7.58ct Natural Multicolor Boulder Opal, Fancy, Opaque

Boulder Opal

7.58ct1 pc
$ 37.75
18 x 9.2 mm
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4.41ct Natural Light Violet Amethyst, Pear Shape, VVS, Photo A

4.41ct Natural Light Violet Amethyst, Pear Shape, VVS

Amethyst

4.41ct1 pc
$ 32.03
14 x 10 mm (calibrated)
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1.21ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.21ct Natural Multicolor Opal, Oval, Opaque

Opal

1.21ct1 pc
$ 36.15
9 x 7 mm (calibrated)
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4.79ctw Natural Medium-Dark Golden Citrine, Oval, VVS-VS, Photo A

4.79ctw Natural Medium-Dark Golden Citrine, Oval, VVS-VS

Citrine

4.79ct total2 pcs
$ 26.24
10 x 8 mm (calibrated)
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3.91ctw Natural Warm White Topaz, Square, VVS-VS, Photo A

3.91ctw Natural Warm White Topaz, Square, VVS-VS

Topaz

3.91ct total10 pcs
$ 31.48
4 x 4 mm (calibrated)
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2.64ct Natural Lemon Yellow Sphene, Oval, Transparent, Photo A

2.64ct Natural Lemon Yellow Sphene, Oval, Transparent

Sphene

2.64ct1 pc
$ 13.15
9 x 7 mm (calibrated)
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5.56ct Natural Black Star Diopside, Oval, Opaque, Photo A

5.56ct Natural Black Star Diopside, Oval, Opaque

Star Diopside

5.56ct1 pc
$ 27.69
11 x 9 mm (calibrated)
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0.41ct Natural Pinkish Violet Sapphire, Fancy, VVS-VS, Photo A

0.41ct Natural Pinkish Violet Sapphire, Fancy, VVS-VS

Sapphire

0.41ct1 pc
$ 37.51
6.2 x 4.5 mm
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2.79ctw Natural Rose Pink Strawberry Quartz, Oval, Translucent, Photo A

2.79ctw Natural Rose Pink Strawberry Quartz, Oval, Translucent

Strawberry Quartz

2.79ct total2 pcs
$ 17.06
8 x 6 mm (calibrated)
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1.25ctw Natural Deep Scarlet Red Pyrope Garnet, Pear Shape, VVS-VS, Photo A

1.25ctw Natural Deep Scarlet Red Pyrope Garnet, Pear Shape, VVS-VS

Pyrope Garnet

1.25ct total2 pcs
$ 9.96
6.9 x 4.7 mm
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1.21ct Natural Dark Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS, Photo A

1.21ct Natural Dark Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS

Citrine

1.21ct1 pc
$ 8.43
7.8 x 5.7 mm
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4.41ct Natural Multicolor Opal Triplet, Fancy, Opaque, Photo A
Opal Triplet Product Video (739733)

4.41ct Natural Multicolor Opal Triplet, Fancy, Opaque

Opal Triplet

4.41ct1 pc
$ 109.81
22.9 x 8.4 mm
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5.86ct Natural Multicolor Fire Agate, Fancy, Translucent, Photo A

5.86ct Natural Multicolor Fire Agate, Fancy, Translucent

Fire Agate

5.86ct1 pc
$ 50.98
14.6 x 12.4 mm
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0.45ct Natural Medium Red Pyrope Garnet, Pear Shape, VS, Photo A

0.45ct Natural Medium Red Pyrope Garnet, Pear Shape, VS

Pyrope Garnet

0.45ct1 pc
$ 11.21
5.2 x 4.8 mm
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1.12ctw Natural London Blue Topaz, Oval, VVS-VS, Photo A

1.12ctw Natural London Blue Topaz, Oval, VVS-VS

Topaz

1.12ct total2 pcs
$ 8.92
6 x 4 mm (calibrated)
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0.77ct Natural Earthy Green Tourmaline, Round, Transparent, Photo A

0.77ct Natural Earthy Green Tourmaline, Round, Transparent

Tourmaline

0.77ct1 pc
$ 15.98
5.5 mm (calibrated)
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0.88ct Natural Deep Orange Zircon, Oval, VS, Photo A

0.88ct Natural Deep Orange Zircon, Oval, VS

Zircon

0.88ct1 pc
$ 13.15
6 x 5 mm
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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

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
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 -> 7 star ratings

Overall the site is good to use and simple to navigate for what i needed and i liked that they are clear and detailed on the size shape and cut of the stones only input id like is for stones that have a specific refractive quality like moonstone in my case if theyd showcase the cut stones refraction so you know how it looks when buying

Posted By Revenant in August, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I've been looking for.

Posted By Tree Dog in April, 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 -> 9 star ratings

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate
Enlarged Gemstone Image