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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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6.54ct Natural Hickory Brown Smoky Quartz, Round, VVS-VS, Photo A

6.54ct Natural Hickory Brown Smoky Quartz, Round, VVS-VS

Smoky Quartz

6.54ct1 pc
$ 10.75
13 mm (calibrated)
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0.74ct Natural Dark Blue Kyanite, Oval, SI-I1, Photo A

0.74ct Natural Dark Blue Kyanite, Oval, SI-I1

Kyanite

0.74ct1 pc
$ 16.22
6.4 x 4.2 mm
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2.84ctw Natural White Zircon, Oval, VS, Photo A

2.84ctw Natural White Zircon, Oval, VS

Zircon

2.84ct total2 pcs
$ 27.89
7 x 5 mm (calibrated)
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12.50ctw Natural Dark Brown Smoky Quartz, Round, VVS, Photo A

12.50ctw Natural Dark Brown Smoky Quartz, Round, VVS

Smoky Quartz

12.50ct total2 pcs
$ 34.25
11 mm (calibrated)
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3.16ctw Natural Vivid Violet Amethyst, Marquise, Transparent, Photo A

3.16ctw Natural Vivid Violet Amethyst, Marquise, Transparent

Amethyst

3.16ct total2 pcs
$ 22.03
12 x 6 mm (calibrated)
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6.24ct Natural Clear White Topaz, Cushion, VS, Photo A

6.24ct Natural Clear White Topaz, Cushion, VS

Topaz

6.24ct1 pc
$ 41.43
12 x 10 mm (calibrated)
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0.60ct Natural Currant Red Pyrope Garnet, Heart, VVS-VS, Photo A

0.60ct Natural Currant Red Pyrope Garnet, Heart, VVS-VS

Pyrope Garnet

0.60ct1 pc
$ 4.78
5 x 5 mm (calibrated)
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1.98ctw Natural Aqua Blue Apatite, Round, Transparent, Photo A
Apatite Product Video (468283)

1.98ctw Natural Aqua Blue Apatite, Round, Transparent

Apatite

1.98ct total5 pcs
$ 32.54
4.5 mm (calibrated)
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0.77ct Natural Pinkish Violet Amethyst, Cushion, VVS, Photo A

0.77ct Natural Pinkish Violet Amethyst, Cushion, VVS

Amethyst

0.77ct1 pc
$ 5.37
7 x 5 mm (calibrated)
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0.40ct Natural Light Magenta Sapphire, Pear Shape, VVS-VS, Photo A

0.40ct Natural Light Magenta Sapphire, Pear Shape, VVS-VS

Sapphire

0.40ct1 pc
$ 36.59
6 x 4.8 mm
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5.01ct Natural Golden Orange Citrine, Oval, VVS-VS, Photo A

5.01ct Natural Golden Orange Citrine, Oval, VVS-VS

Citrine

5.01ct1 pc
$ 38.43
12 x 10 mm (calibrated)
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7.99ct Natural Light Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

7.99ct Natural Light Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

7.99ct1 pc
$ 43.77
12.5 x 12.5 mm
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2.58ct Natural Very Light Green Prehnite, Pear Shape, Transparent, Photo A

2.58ct Natural Very Light Green Prehnite, Pear Shape, Transparent

Prehnite

2.58ct1 pc
$ 14.13
11.5 x 6.9 mm
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1.08ct Natural Light Golden Morganite, Oval, VS, Photo A

1.08ct Natural Light Golden Morganite, Oval, VS

Morganite

1.08ct1 pc
$ 42.50
8 x 6 mm (calibrated)
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3.04ctw Natural Medium Purplish Violet Amethyst, Heart, VVS-VS, Photo A

3.04ctw Natural Medium Purplish Violet Amethyst, Heart, VVS-VS

Amethyst

3.04ct total4 pcs
$ 23.31
6 x 6 mm (calibrated)
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14.52ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque, Photo A

14.52ct Natural Medium-Dark Purple Star Ruby, Oval, Opaque

Star Ruby

14.52ct1 pc
$ 190.89
14 x 12 mm (calibrated)
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3.96ctw Natural Warm Light Brown Moonstone, Flower Cut, Translucent, Photo A

3.96ctw Natural Warm Light Brown Moonstone, Flower Cut, Translucent

Moonstone

3.96ct total2 pcs
$ 17.35
9 x 9 mm (calibrated)
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5.84ct Natural Earthy Green Actinolite Cat's Eye, Oval, Translucent, Photo A

5.84ct Natural Earthy Green Actinolite Cat's Eye, Oval, Translucent

Actinolite Cat's Eye

5.84ct1 pc
$ 40.72
13.7 x 10.6 mm
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1.46ct Natural Medium Gold Citrine, Square, VS, Photo A

1.46ct Natural Medium Gold Citrine, Square, VS

Citrine

1.46ct1 pc
$ 9.60
6.6 x 6.5 mm
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0.57ct Natural Medium Violet Amethyst, Octagon / Emerald Cut, VS, Photo A

0.57ct Natural Medium Violet Amethyst, Octagon / Emerald Cut, VS

Amethyst

0.57ct1 pc
$ 3.31
6 x 4 mm (calibrated)
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2.70ct Natural Medium Pink Morganite, Pear Shape, Transparent, Photo A

2.70ct Natural Medium Pink Morganite, Pear Shape, Transparent

Morganite

2.70ct1 pc
$ 29.58
12 x 8 mm (calibrated)
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12.45ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent, Photo A

12.45ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent

Rainbow Moonstone

12.45ct1 pc
$ 223.20
18 x 13 mm (calibrated)
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0.43ct Natural Bright Orange Sapphire, Heart, VVS-VS, Photo A

0.43ct Natural Bright Orange Sapphire, Heart, VVS-VS

Sapphire

0.43ct1 pc
$ 26.55
4.6 x 4.6 mm
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0.83ct Natural Deep Orange Zircon, Oval, VVS, Photo A

0.83ct Natural Deep Orange Zircon, Oval, VVS

Zircon

0.83ct1 pc
$ 20.67
5.9 x 4.8 mm
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3.26ct Natural Dark Orange Pyrope Garnet, Fancy, Translucent, Photo A

3.26ct Natural Dark Orange Pyrope Garnet, Fancy, Translucent

Pyrope Garnet

3.26ct1 pc
$ 8.18
14.2 x 8 mm
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12.82ct Natural Medium Rose Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A
Rose Quartz Product Video (393647)

12.82ct Natural Medium Rose Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

12.82ct1 pc
$ 70.23
14 x 14 mm (calibrated)
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5.55ctw Natural Medium Violet Amethyst, Oval, Transparent, Photo A

5.55ctw Natural Medium Violet Amethyst, Oval, Transparent

Amethyst

5.55ct total2 pcs
$ 30.41
10 x 8 mm (calibrated)
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7.81ct Natural Blue Aquamarine, Octagon / Emerald Cut, Translucent, Photo A
Aquamarine Product Video (730375)

7.81ct Natural Blue Aquamarine, Octagon / Emerald Cut, Translucent

Aquamarine

7.81ct1 pc
$ 162.06
14 x 10 mm (calibrated)
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1.22ctw Natural Light-Medium Violet Amethyst, Marquise, VVS-VS, Photo A

1.22ctw Natural Light-Medium Violet Amethyst, Marquise, VVS-VS

Amethyst

1.22ct total2 pcs
$ 8.10
8.1 x 4.2 mm
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0.47ct Natural Medium Violet Amethyst, Octagon / Emerald Cut, VS, Photo A

0.47ct Natural Medium Violet Amethyst, Octagon / Emerald Cut, VS

Amethyst

0.47ct1 pc
$ 2.73
6 x 4 mm (calibrated)
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17.67ct Natural Light Royal Purple Pink Kunzite, Octagon / Emerald Cut, VS, Photo A
Kunzite Product Video (695364)

17.67ct Natural Light Royal Purple Pink Kunzite, Octagon / Emerald Cut, VS

Kunzite

17.67ct1 pc
$ 439.98
15.4 x 11.4 mm
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2.97ct Natural Deep Violet Amethyst, Trillion, VS, Photo A
Amethyst Product Video (551440)

2.97ct Natural Deep Violet Amethyst, Trillion, VS

Amethyst

2.97ct1 pc
$ 22.25
10 x 10 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 -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
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Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate
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