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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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3.69ctw Natural Medium-Light Yellow Quartz, Flower Cut, Transparent, Photo A

3.69ctw Natural Medium-Light Yellow Quartz, Flower Cut, Transparent

Quartz

3.69ct total2 pcs
$ 6.71
9.8 x 9.5 mm
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7.26ct Natural Light Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

7.26ct Natural Light Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

7.26ct1 pc
$ 39.77
12 x 12 mm (calibrated)
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1.12ctw Natural Medium Violet-Pink Amethyst, Marquise, VS, Photo A

1.12ctw Natural Medium Violet-Pink Amethyst, Marquise, VS

Amethyst

1.12ct total2 pcs
$ 7.44
8 x 4 mm (calibrated)
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16.17ct Natural Pinkish Violet Amethyst, Octagon / Emerald Cut, VVS-VS, Photo A

16.17ct Natural Pinkish Violet Amethyst, Octagon / Emerald Cut, VVS-VS

Amethyst

16.17ct1 pc
$ 112.74
17.9 x 14.1 mm
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0.40ct Natural Bluish White Rainbow Moonstone, Baguette, Transparent, Photo A

0.40ct Natural Bluish White Rainbow Moonstone, Baguette, Transparent

Rainbow Moonstone

0.40ct1 pc
$ 13.94
6 x 4 mm (calibrated)
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0.68ct Natural Bright Green Emerald, Oval, Translucent, Photo A

0.68ct Natural Bright Green Emerald, Oval, Translucent

Emerald

0.68ct1 pc
$ 54.18
6.1 x 5.2 mm
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3.06ct Natural Deep Blue Star Sapphire, Oval, Opaque, Photo A

3.06ct Natural Deep Blue Star Sapphire, Oval, Opaque

Star Sapphire

3.06ct1 pc
$ 70.10
9 x 7 mm (calibrated)
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2.69ct Natural Wood Brown Smoky Quartz, Marquise, VVS, Photo A

2.69ct Natural Wood Brown Smoky Quartz, Marquise, VVS

Smoky Quartz

2.69ct1 pc
$ 16.08
18.2 x 7 mm
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2.58ct Natural Mint Green Fluorite, Pear Shape, Transparent, Photo A

2.58ct Natural Mint Green Fluorite, Pear Shape, Transparent

Fluorite

2.58ct1 pc
$ 10.28
9.9 x 7.4 mm
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3.53ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS, Photo A

3.53ctw Natural Sky Blue Topaz, Pear Shape, VVS-VS

Topaz

3.53ct total4 pcs
$ 27.07
7 x 5 mm (calibrated)
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49.72ct Natural Multicolor Tiger's Eye Matrix, Oval, Opaque, Photo A

49.72ct Natural Multicolor Tiger's Eye Matrix, Oval, Opaque

Tiger's Eye Matrix

49.72ct1 pc
$ 22.78
36.8 x 22.7 mm
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0.22ctw Natural J Diamond, Round, VVS-VS, Photo A

0.22ctw Natural J Diamond, Round, VVS-VS

Diamond

0.22ct total2 pcs
$ 363.37
3 mm (calibrated)
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3.21ctw Natural Sky Blue Topaz, Pear Shape, VS, Photo A

3.21ctw Natural Sky Blue Topaz, Pear Shape, VS

Topaz

3.21ct total6 pcs
$ 24.62
6.1 x 4.2 mm
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0.48ct Natural Flamingo Pink Morganite, Round, VS-SI, Photo A

0.48ct Natural Flamingo Pink Morganite, Round, VS-SI

Morganite

0.48ct1 pc
$ 19.92
5.5 mm (calibrated)
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14.10ct Natural Dark Green Serpentine, Oval, Translucent, Photo A
Serpentine Product Video (671552)

14.10ct Natural Dark Green Serpentine, Oval, Translucent

Serpentine

14.10ct1 pc
$ 30.20
19 x 13.2 mm
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26.00ct Natural Swiss Blue Topaz, Cushion, VVS, Photo A
Topaz Product Video (714390)

26.00ct Natural Swiss Blue Topaz, Cushion, VVS

Topaz

26.00ct1 pc
$ 194.22
18.3 x 15.6 mm
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11.80ct Natural Light Pineapple Yellow Quartz, Octagon / Emerald Cut, VVS-VS, Photo A

11.80ct Natural Light Pineapple Yellow Quartz, Octagon / Emerald Cut, VVS-VS

Quartz

11.80ct1 pc
$ 64.64
15 x 15 mm (calibrated)
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0.95ct Natural Royal Yellow Beryl, Oval, VVS-VS, Photo A

0.95ct Natural Royal Yellow Beryl, Oval, VVS-VS

Beryl

0.95ct1 pc
$ 18.92
8 x 6 mm (calibrated)
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20.49ct Natural Silver Gray Hematite, Square, Opaque, Photo A

20.49ct Natural Silver Gray Hematite, Square, Opaque

Hematite

20.49ct1 pc
$ 19.98
15 x 15 mm (calibrated)
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0.54ct Natural Intense Green Chrome Diopside, Oval, VS, Photo A

0.54ct Natural Intense Green Chrome Diopside, Oval, VS

Chrome Diopside

0.54ct1 pc
$ 13.45
6 x 4 mm (calibrated)
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2.31ctw Natural Sky Blue Topaz, Marquise, VVS-VS, Photo A

2.31ctw Natural Sky Blue Topaz, Marquise, VVS-VS

Topaz

2.31ct total2 pcs
$ 17.59
10.1 x 5.1 mm
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0.60ct Natural Currant Red Pyrope Garnet, Heart, VVS, Photo A

0.60ct Natural Currant Red Pyrope Garnet, Heart, VVS

Pyrope Garnet

0.60ct1 pc
$ 4.78
5 x 5 mm (calibrated)
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1.26ct Natural Deep Orange Hessonite Garnet, Oval, VS, Photo A

1.26ct Natural Deep Orange Hessonite Garnet, Oval, VS

Hessonite Garnet

1.26ct1 pc
$ 20.71
7.2 x 6 mm
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3.66ct Natural Jam Red Star Ruby, Oval, Opaque, Photo A

3.66ct Natural Jam Red Star Ruby, Oval, Opaque

Star Ruby

3.66ct1 pc
$ 58.32
9.3 x 8.1 mm
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2.16ct Natural Medium Green Peridot, Cushion, VS, Photo A

2.16ct Natural Medium Green Peridot, Cushion, VS

Peridot

2.16ct1 pc
$ 85.05
8.3 x 7 mm
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3.39ct Natural Bright Gold Citrine, Oval, VVS, Photo A

3.39ct Natural Bright Gold Citrine, Oval, VVS

Citrine

3.39ct1 pc
$ 27.01
12 x 10 mm (calibrated)
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1.70ct Natural Brownish Green Tourmaline, Oval, VVS-VS, Photo A

1.70ct Natural Brownish Green Tourmaline, Oval, VVS-VS

Tourmaline

1.70ct1 pc
$ 253.98
7.9 x 6.8 mm
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35.33ct Natural White with Black Dendritic Agate, Fancy, Opaque, Photo A

35.33ct Natural White with Black Dendritic Agate, Fancy, Opaque

Dendritic Agate

35.33ct1 pc
$ 24.63
35.2 x 18.4 mm
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1.08ct Natural Berry Purple Rhodolite Garnet, Oval, VS, Photo A

1.08ct Natural Berry Purple Rhodolite Garnet, Oval, VS

Rhodolite Garnet

1.08ct1 pc
$ 28.68
7 x 5 mm (calibrated)
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13.06ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent, Photo A

13.06ct Natural Bluish White Rainbow Moonstone, Pear Shape, Transparent

Rainbow Moonstone

13.06ct1 pc
$ 104.07
20.3 x 12.7 mm
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9.41ct Natural Medium Yellow Quartz, Fancy, VVS, Photo A

9.41ct Natural Medium Yellow Quartz, Fancy, VVS

Quartz

9.41ct1 pc
$ 37.32
15.9 x 13.9 mm
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5.44ctw Natural Swiss Blue Topaz, Heart, VVS, Photo A

5.44ctw Natural Swiss Blue Topaz, Heart, VVS

Topaz

5.44ct total2 pcs
$ 38.74
9 x 9 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 was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
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Overall Rating -> 10 star ratings

I have made many purchases from GemSelect over the years, and I have a beautiful collection of jewelry as a result. My purchases have always been exactly as described, and I have enjoyed doing business with you.

Posted By MMM in July, 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
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Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
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Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
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