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Natural Cabochon Gemstones

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

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1.85ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.85ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.85ct total2 pcs
$ 73.26
8 x 6 mm (calibrated)
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21.94ct Natural Light Shamrock Green Druzy Variscite, Oval, Opaque, Photo A

21.94ct Natural Light Shamrock Green Druzy Variscite, Oval, Opaque

Druzy Variscite

21.94ct1 pc
$ 27.12
32.7 x 19 mm
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121.30ct Natural Swiss Blue Topaz, Oval, VVS, Photo A
Topaz Product Video (666449)

121.30ct Natural Swiss Blue Topaz, Oval, VVS

Topaz

121.30ct1 pc
$ 849.10
32.5 x 24.6 mm
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0.78ct Natural Light Green Emerald, Oval, Translucent, Photo A

0.78ct Natural Light Green Emerald, Oval, Translucent

Emerald

0.78ct1 pc
$ 74.88
6.1 x 5.1 mm
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1.93ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.93ct Natural Multicolor Opal, Oval, Opaque

Opal

1.93ct1 pc
$ 58.67
13 x 9 mm (calibrated)
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1.29ct Natural Jam Red Ruby, Round, VS, Photo A

1.29ct Natural Jam Red Ruby, Round, VS

Ruby

1.29ct1 pc
$ 116.10
6 mm (calibrated)
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2.15ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS, Photo A

2.15ct Natural Medium Dark-Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

2.15ct1 pc
$ 39.58
9 x 7 mm (calibrated)
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12.55ct Natural Bluish White Rainbow Moonstone, Oval, Translucent, Photo A

12.55ct Natural Bluish White Rainbow Moonstone, Oval, Translucent

Rainbow Moonstone

12.55ct1 pc
$ 15.06
19.5 x 10.8 mm
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10.94ct Natural Deep Golden Orange Citrine, Oval, VVS, Photo A

10.94ct Natural Deep Golden Orange Citrine, Oval, VVS

Citrine

10.94ct1 pc
$ 86.64
18 x 12.3 mm
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55.96ct Natural Multicolor Jasper, Oval, Opaque, Photo A

55.96ct Natural Multicolor Jasper, Oval, Opaque

Jasper

55.96ct1 pc
$ 73.87
43.2 x 22.6 mm
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5.38ct Natural Light Green Emerald, Oval, Translucent, Photo A
Emerald Product Video (498391)

5.38ct Natural Light Green Emerald, Oval, Translucent

Emerald

5.38ct1 pc
$ 3,195.72
11.1 x 10.3 mm
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1.80ct Natural Lemon Yellow Sphene, Oval, SI, Photo A
Sphene Product Video (390822)

1.80ct Natural Lemon Yellow Sphene, Oval, SI

Sphene

1.80ct1 pc
$ 104.54
8.7 x 6.6 mm
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10.92ct Natural Deep Green Bloodstone, Pear Shape, Opaque, Photo A

10.92ct Natural Deep Green Bloodstone, Pear Shape, Opaque

Bloodstone

10.92ct1 pc
$ 19.66
18.8 x 13.2 mm
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0.05ct Natural Black Diamond, Round, Opaque, Photo A

0.05ct Natural Black Diamond, Round, Opaque

Diamond

0.05ct1 pc
$ 17.51
2.2 mm (calibrated)
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1.07ct Natural Very Light Golden-Yellow Color-Change Diaspore, Cushion, VVS, Photo A

1.07ct Natural Very Light Golden-Yellow Color-Change Diaspore, Cushion, VVS

Color-Change Diaspore

1.07ct1 pc
$ 45.19
10.1 x 4 mm
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3.95ctw Natural White Zircon, Round, VVS-VS, Photo A

3.95ctw Natural White Zircon, Round, VVS-VS

Zircon

3.95ct total2 pcs
$ 128.94
7 mm (calibrated)
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0.53ctw Natural Intense Pinkish Purple Sapphire, Oval, VS, Photo A

0.53ctw Natural Intense Pinkish Purple Sapphire, Oval, VS

Sapphire

0.53ct total2 pcs
$ 55.66
5 x 3 mm (calibrated)
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3.05ct Natural Pinkish Violet Amethyst, Trillion, VVS-VS, Photo A

3.05ct Natural Pinkish Violet Amethyst, Trillion, VVS-VS

Amethyst

3.05ct1 pc
$ 29.28
10 x 10 mm (calibrated)
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95.38ct Natural Medium Purplish Violet Amethyst, Cushion, VS, Photo A
Amethyst Product Video (638587)

95.38ct Natural Medium Purplish Violet Amethyst, Cushion, VS

Amethyst

95.38ct1 pc
$ 667.66
28.7 x 25.7 mm
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0.76ct Natural London Blue Topaz, Square, VVS-VS, Photo A

0.76ct Natural London Blue Topaz, Square, VVS-VS

Topaz

0.76ct1 pc
$ 6.38
5 x 5 mm (calibrated)
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8.96ctw Natural Black Spinel, Trillion, Opaque, Photo A

8.96ctw Natural Black Spinel, Trillion, Opaque

Spinel

8.96ct total2 pcs
$ 59.14
10 x 10 mm (calibrated)
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0.06ct Natural Black Diamond, Round, Opaque, Photo A

0.06ct Natural Black Diamond, Round, Opaque

Diamond

0.06ct1 pc
$ 34.98
2.5 mm (calibrated)
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16.14ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A
Ammolite Product Video (614779)

16.14ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

16.14ct1 pc
$ 213.05
21.7 x 16.3 mm
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5.33ct Natural Multicolor Ruby in Fuchsite, Marquise, Translucent, Photo A

5.33ct Natural Multicolor Ruby in Fuchsite, Marquise, Translucent

Ruby in Fuchsite

5.33ct1 pc
$ 43.68
21 x 10.1 mm
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1.53ct Natural Light Green Tourmaline, Oval, Transparent, Photo A

1.53ct Natural Light Green Tourmaline, Oval, Transparent

Tourmaline

1.53ct1 pc
$ 23.50
8 x 6 mm (calibrated)
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29.90ct Natural Deep Orange Spessartite Garnet, Pear Shape, Translucent, Photo A
Spessartite Garnet Product Video (749873)

29.90ct Natural Deep Orange Spessartite Garnet, Pear Shape, Translucent

Spessartite Garnet

29.90ct1 pc
$ 897.00
26.7 x 11.5 mm
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31.03ct Natural Silver Gray Hematite, Pear Shape, Opaque, Photo A

31.03ct Natural Silver Gray Hematite, Pear Shape, Opaque

Hematite

31.03ct1 pc
$ 36.46
24.1 x 17.1 mm
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12.49ct Natural Shamrock Green Druzy Variscite, Fancy, Opaque, Photo A

12.49ct Natural Shamrock Green Druzy Variscite, Fancy, Opaque

Druzy Variscite

12.49ct1 pc
$ 20.99
29.9 x 13.4 mm
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1.66ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS, Photo A

1.66ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

1.66ct total10 pcs
$ 76.69
5 x 3 mm (calibrated)
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3.03ct Natural Warm Forest Green Sphene, Oval, VS-SI, Photo A
Sphene Product Video (467820)

3.03ct Natural Warm Forest Green Sphene, Oval, VS-SI

Sphene

3.03ct1 pc
$ 181.80
9.4 x 7.3 mm
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1.13ct Natural Deep Mauve Tone Spinel, Cushion, VVS, Photo A
Spinel Product Video (744424)

1.13ct Natural Deep Mauve Tone Spinel, Cushion, VVS

Spinel

1.13ct1 pc
$ 135.60
7 x 5 mm (calibrated)
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1.18ct Natural Golden Citrine, Octagon / Emerald Cut, VVS, Photo A

1.18ct Natural Golden Citrine, Octagon / Emerald Cut, VVS

Citrine

1.18ct1 pc
$ 11.33
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

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
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Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate
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