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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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1.06ct Natural Medium-Dark Red Malaya Garnet, Marquise, VS-SI, Photo A
Malaya Garnet Product Video (520624)

1.06ct Natural Medium-Dark Red Malaya Garnet, Marquise, VS-SI

Malaya Garnet

1.06ct1 pc
$ 48.77
9 x 4.6 mm
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1.42ct Natural Medium Purple Sapphire, Cushion, VS, Photo A
Sapphire Product Video (448534)

1.42ct Natural Medium Purple Sapphire, Cushion, VS

Sapphire

1.42ct1 pc
$ 749.87
7.8 x 5.2 mm
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0.65ct Natural Reddish Orange Sapphire, Oval, VS, Photo A

0.65ct Natural Reddish Orange Sapphire, Oval, VS

Sapphire

0.65ct1 pc
$ 65.78
6 x 4 mm (calibrated)
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5.59ctw Natural Medium Violet Amethyst, Trillion, VS, Photo A

5.59ctw Natural Medium Violet Amethyst, Trillion, VS

Amethyst

5.59ct total2 pcs
$ 44.54
10 x 10 mm (calibrated)
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1.28ct Natural Dark Purple Spinel, Cushion, VVS, Photo A

1.28ct Natural Dark Purple Spinel, Cushion, VVS

Spinel

1.28ct1 pc
$ 127.49
7.1 x 5.4 mm
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0.97ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS-SI, Photo A

0.97ct Natural Pale Yellow Color-Change Diaspore, Octagon / Emerald Cut, VS-SI

Color-Change Diaspore

0.97ct1 pc
$ 30.88
7.3 x 4.8 mm
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2.48ct Natural Green Yellow Apatite, Octagon / Emerald Cut, VS, Photo A
Apatite Product Video (439056)

2.48ct Natural Green Yellow Apatite, Octagon / Emerald Cut, VS

Apatite

2.48ct1 pc
$ 127.70
8.5 x 8.4 mm
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4.38ctw Natural Multicolor Labradorite, Marquise, Translucent, Photo A

4.38ctw Natural Multicolor Labradorite, Marquise, Translucent

Labradorite

4.38ct total2 pcs
$ 9.68
12 x 6 mm (calibrated)
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6.68ctw Natural White Zircon, Oval, VVS-VS, Photo A

6.68ctw Natural White Zircon, Oval, VVS-VS

Zircon

6.68ct total10 pcs
$ 40.69
6 x 4 mm (calibrated)
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4.08ctw Natural Top Gold Citrine, Pear Shape, VVS-VS, Photo A

4.08ctw Natural Top Gold Citrine, Pear Shape, VVS-VS

Citrine

4.08ct total5 pcs
$ 28.15
8 x 5 mm (calibrated)
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10.68ctw Natural Salmon Pink Morganite, Oval, Translucent, Photo A

10.68ctw Natural Salmon Pink Morganite, Oval, Translucent

Morganite

10.68ct total2 pcs
$ 106.37
12 x 10 mm (calibrated)
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2.55ctw Natural Scarlet Red Pyrope Garnet, Square, VS, Photo A

2.55ctw Natural Scarlet Red Pyrope Garnet, Square, VS

Pyrope Garnet

2.55ct total6 pcs
$ 19.56
4 x 4 mm (calibrated)
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0.84ctw Natural Golden Sapphire, Heart, VS, Photo A

0.84ctw Natural Golden Sapphire, Heart, VS

Sapphire

0.84ct total2 pcs
$ 51.88
4.7 x 4.7 mm
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2.39ct Natural Medium Pink Strawberry Quartz, Oval, Transparent, Photo A

2.39ct Natural Medium Pink Strawberry Quartz, Oval, Transparent

Strawberry Quartz

2.39ct1 pc
$ 17.76
10 x 8 mm (calibrated)
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6.59ct Natural Pale Cream Yellow Quartz, Flower Cut, Transparent, Photo A

6.59ct Natural Pale Cream Yellow Quartz, Flower Cut, Transparent

Quartz

6.59ct1 pc
$ 26.43
14.3 x 10.1 mm
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1.24ct Natural Medium Orange Hessonite Garnet, Oval, VS, Photo A

1.24ct Natural Medium Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.24ct1 pc
$ 22.23
7 x 5 mm (calibrated)
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2.05ct Natural Medium Orange Hessonite Garnet, Cushion, VS, Photo A

2.05ct Natural Medium Orange Hessonite Garnet, Cushion, VS

Hessonite Garnet

2.05ct1 pc
$ 30.20
7 x 7 mm (calibrated)
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1.59ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.59ct Natural Multicolor Opal, Oval, Transparent

Opal

1.59ct1 pc
$ 73.16
10 x 8 mm (calibrated)
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1.55ct Natural Medium-Dark Orange Hessonite Garnet, Oval, VS, Photo A

1.55ct Natural Medium-Dark Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.55ct1 pc
$ 25.48
7.5 x 6.4 mm
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0.75ctw Natural Light Lively Green Peridot, Pear Shape, VVS-VS, Photo A

0.75ctw Natural Light Lively Green Peridot, Pear Shape, VVS-VS

Peridot

0.75ct total2 pcs
$ 5.76
6 x 4 mm (calibrated)
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3.45ctw Natural Dark Blue Star Sapphire, Oval, Opaque, Photo A

3.45ctw Natural Dark Blue Star Sapphire, Oval, Opaque

Star Sapphire

3.45ct total4 pcs
$ 75.60
7 x 5 mm (calibrated)
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1.27ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VS, Photo A

1.27ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VS

Tourmaline

1.27ct1 pc
$ 33.40
20 x 2.8 mm
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3.06ct Natural White Topaz, Oval, VVS-VS, Photo A

3.06ct Natural White Topaz, Oval, VVS-VS

Topaz

3.06ct1 pc
$ 16.77
10 x 8 mm (calibrated)
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23.95ct Natural Bi-color Ametrine, Oval, VS, Photo A

23.95ct Natural Bi-color Ametrine, Oval, VS

Ametrine

23.95ct1 pc
$ 175.29
20 x 15 mm (calibrated)
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5.51ct Natural Black Star Diopside, Oval, Opaque, Photo A

5.51ct Natural Black Star Diopside, Oval, Opaque

Star Diopside

5.51ct1 pc
$ 27.44
11 x 9 mm (calibrated)
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0.40ct Natural Medium Orange Sapphire, Pear Shape, VVS-VS, Photo A

0.40ct Natural Medium Orange Sapphire, Pear Shape, VVS-VS

Sapphire

0.40ct1 pc
$ 22.67
5.6 x 3.6 mm
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1.27ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.27ct Natural Multicolor Opal, Oval, Transparent

Opal

1.27ct1 pc
$ 31.62
10 x 8 mm (calibrated)
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22.40ct Natural Medium Brown Moonstone, Oval, Opaque, Photo A

22.40ct Natural Medium Brown Moonstone, Oval, Opaque

Moonstone

22.40ct1 pc
$ 36.81
22.1 x 16.3 mm
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0.40ct Natural Golden Sapphire, Heart, VS, Photo A

0.40ct Natural Golden Sapphire, Heart, VS

Sapphire

0.40ct1 pc
$ 24.70
4.5 x 4.5 mm
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1.51ct Natural Salmon Pink Morganite, Pear Shape, VS, Photo A

1.51ct Natural Salmon Pink Morganite, Pear Shape, VS

Morganite

1.51ct1 pc
$ 115.80
9.6 x 6.3 mm
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2.86ctw Natural Black Onyx, Round, Opaque, Photo A

2.86ctw Natural Black Onyx, Round, Opaque

Onyx

2.86ct total2 pcs
$ 5.69
7 mm (calibrated)
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27.42ct Natural Multicolor Obsidian, Cushion, Opaque, Photo A
Obsidian Product Video (523599)

27.42ct Natural Multicolor Obsidian, Cushion, Opaque

Obsidian

27.42ct1 pc
$ 23.12
30 x 22 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 purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.

Posted By CLTCJH 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 -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
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

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate
Enlarged Gemstone Image