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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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0.48ct Natural Medium Orange Spessartite Garnet, Oval, VS, Photo A

0.48ct Natural Medium Orange Spessartite Garnet, Oval, VS

Spessartite Garnet

0.48ct1 pc
$ 16.73
5 x 4 mm (calibrated)
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6.73ct Natural Multicolor Jasper, Oval, Opaque, Photo A

6.73ct Natural Multicolor Jasper, Oval, Opaque

Jasper

6.73ct1 pc
$ 14.75
17 x 12.8 mm
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2.23ct Natural Medium Purplish Violet Amethyst, Trillion, VS, Photo A

2.23ct Natural Medium Purplish Violet Amethyst, Trillion, VS

Amethyst

2.23ct1 pc
$ 12.22
9 x 9 mm (calibrated)
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8.51ctw Natural Black Onyx, Heart, Opaque, Photo A

8.51ctw Natural Black Onyx, Heart, Opaque

Onyx

8.51ct total2 pcs
$ 7.06
10 x 10 mm (calibrated)
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2.96ct Natural Warm Green Fluorite, Oval, Transparent, Photo A

2.96ct Natural Warm Green Fluorite, Oval, Transparent

Fluorite

2.96ct1 pc
$ 12.62
8.5 x 7 mm
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2.58ct Natural Dark Orange-Gold Citrine, Pear Shape, VS-SI, Photo A

2.58ct Natural Dark Orange-Gold Citrine, Pear Shape, VS-SI

Citrine

2.58ct1 pc
$ 19.79
11.1 x 8.2 mm
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6.16ct Natural Multicolor Boulder Opal, Fancy, Opaque, Photo A

6.16ct Natural Multicolor Boulder Opal, Fancy, Opaque

Boulder Opal

6.16ct1 pc
$ 30.68
16.7 x 9.7 mm
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0.19ctw Natural I Diamond, Round, VVS-VS, Photo A

0.19ctw Natural I Diamond, Round, VVS-VS

Diamond

0.19ct total2 pcs
$ 345.21
3 mm (calibrated)
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0.48ct Natural Pinkish Violet Sapphire, Oval, VS, Photo A

0.48ct Natural Pinkish Violet Sapphire, Oval, VS

Sapphire

0.48ct1 pc
$ 47.77
5.4 x 4.4 mm
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5.63ct Natural Golden Citrine, Briolette, VVS, Photo A

5.63ct Natural Golden Citrine, Briolette, VVS

Citrine

5.63ct1 pc
$ 30.34
13.2 x 8.6 mm
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11.04ct Natural Light Yellow Quartz, Pear Shape, VS, Photo A

11.04ct Natural Light Yellow Quartz, Pear Shape, VS

Quartz

11.04ct1 pc
$ 12.09
20.7 x 13.7 mm
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0.76ct Natural Warm Green Tourmaline, Oval, Transparent, Photo A

0.76ct Natural Warm Green Tourmaline, Oval, Transparent

Tourmaline

0.76ct1 pc
$ 12.60
6.3 x 4.7 mm
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0.39ct Natural Dark Red Ruby, Oval, VS, Photo A

0.39ct Natural Dark Red Ruby, Oval, VS

Ruby

0.39ct1 pc
$ 108.76
5 mm (calibrated)
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2.92ct Natural Medium Violet Amethyst, Trillion, VS, Photo A

2.92ct Natural Medium Violet Amethyst, Trillion, VS

Amethyst

2.92ct1 pc
$ 15.99
10 x 10 mm (calibrated)
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0.61ct Natural Pinkish Violet Purple Sapphire, Oval, VVS-VS, Photo A

0.61ct Natural Pinkish Violet Purple Sapphire, Oval, VVS-VS

Sapphire

0.61ct1 pc
$ 60.71
5.5 x 4.5 mm
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5.24ct Natural Jam Red Star Ruby, Oval, Opaque, Photo A

5.24ct Natural Jam Red Star Ruby, Oval, Opaque

Star Ruby

5.24ct1 pc
$ 83.51
9.5 x 8.5 mm
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1.99ct Natural Deep Gold Citrine, Flower Cut, Transparent, Photo A

1.99ct Natural Deep Gold Citrine, Flower Cut, Transparent

Citrine

1.99ct1 pc
$ 15.26
8 x 8 mm (calibrated)
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1.12ct Natural Lemon Yellow Sphene, Oval, Transparent, Photo A

1.12ct Natural Lemon Yellow Sphene, Oval, Transparent

Sphene

1.12ct1 pc
$ 5.58
6.5 x 5.5 mm
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3.86ct Natural Flamingo Pink Morganite, Oval, Transparent, Photo A

3.86ct Natural Flamingo Pink Morganite, Oval, Transparent

Morganite

3.86ct1 pc
$ 42.29
12 x 9.1 mm
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1.58ctw Natural Medium Red Pyrope Garnet, Square, VVS-VS, Photo A

1.58ctw Natural Medium Red Pyrope Garnet, Square, VVS-VS

Pyrope Garnet

1.58ct total2 pcs
$ 12.12
5 x 5 mm (calibrated)
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0.85ctw Natural Intense Purple Sapphire, Oval, VS, Photo A

0.85ctw Natural Intense Purple Sapphire, Oval, VS

Sapphire

0.85ct total2 pcs
$ 81.39
5 x 4 mm (calibrated)
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5.43ct Natural Medium Golden Citrine, Oval, VVS-VS, Photo A

5.43ct Natural Medium Golden Citrine, Oval, VVS-VS

Citrine

5.43ct1 pc
$ 32.61
14 x 10 mm (calibrated)
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1.06ct Natural Warm Forest Green Sphene, Oval, Transparent, Photo A

1.06ct Natural Warm Forest Green Sphene, Oval, Transparent

Sphene

1.06ct1 pc
$ 5.28
6 x 5.2 mm
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1.97ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.97ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.97ct total2 pcs
$ 58.86
9 x 7 mm (calibrated)
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8.40ctw Natural Deep Gold Citrine, Oval, VS, Photo A

8.40ctw Natural Deep Gold Citrine, Oval, VS

Citrine

8.40ct total2 pcs
$ 66.93
12 x 10 mm (calibrated)
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0.46ct Natural Forest Green Tourmaline, Baguette, VVS, Photo A

0.46ct Natural Forest Green Tourmaline, Baguette, VVS

Tourmaline

0.46ct1 pc
$ 16.04
12.1 x 2.2 mm
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3.64ct Natural Multicolor Labradorite, Marquise, Translucent, Photo A

3.64ct Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

3.64ct1 pc
$ 8.05
14 x 7 mm (calibrated)
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3.55ct Natural Light Pink Morganite, Oval, Transparent, Photo A

3.55ct Natural Light Pink Morganite, Oval, Transparent

Morganite

3.55ct1 pc
$ 14.73
10.9 x 8.1 mm
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60.34ctw Natural Black Gray Hematite, Pear Shape, Opaque, Photo A

60.34ctw Natural Black Gray Hematite, Pear Shape, Opaque

Hematite

60.34ct total2 pcs
$ 58.83
24.3 x 16.8 mm
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2.84ctw Natural Multicolor Andalusite, Round, VS-SI, Photo A

2.84ctw Natural Multicolor Andalusite, Round, VS-SI

Andalusite

2.84ct total12 pcs
$ 127.29
4 mm (calibrated)
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4.73ctw Natural Warm White Zircon, Round, VS, Photo A
Zircon Product Video (405511)

4.73ctw Natural Warm White Zircon, Round, VS

Zircon

4.73ct total2 pcs
$ 128.15
7.5 mm (calibrated)
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1.53ct Natural Deep Violet Blue Tanzanite, Pear Shape, VVS, Photo A
Tanzanite Product Video (717574)

1.53ct Natural Deep Violet Blue Tanzanite, Pear Shape, VVS

Tanzanite

1.53ct1 pc
$ 452.48
9 x 7 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 -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

easy interface for a pricless buy

Posted By Zeak in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis 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 -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate
Enlarged Gemstone Image