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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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29.00ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent, Photo A
Amethyst Geode Slice Product Video (684868)

29.00ct Natural Multicolor Amethyst Geode Slice, Fancy, Transparent

Amethyst Geode Slice

29.00ct1 pc
$ 30.91
24.6 x 23.5 mm
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17.46ct Natural Deep Earthy Green Uvarovite Garnet Drusy, Fancy, Opaque, Photo A

17.46ct Natural Deep Earthy Green Uvarovite Garnet Drusy, Fancy, Opaque

Uvarovite Garnet Drusy

17.46ct1 pc
$ 56.81
18.2 x 18 mm
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1.43ctw Natural Golden Citrine, Oval, Transparent, Photo A

1.43ctw Natural Golden Citrine, Oval, Transparent

Citrine

1.43ct total2 pcs
$ 9.97
10 x 4.1 mm
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1.76ctw Natural Swiss Blue Topaz, Pear Shape, VVS-VS, Photo A

1.76ctw Natural Swiss Blue Topaz, Pear Shape, VVS-VS

Topaz

1.76ct total2 pcs
$ 9.64
7 x 5 mm (calibrated)
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24.97ctw Natural Multicolor Fossil Coral, Cushion, Opaque, Photo A

24.97ctw Natural Multicolor Fossil Coral, Cushion, Opaque

Fossil Coral

24.97ct total2 pcs
$ 27.36
18.2 x 11.5 mm
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12.20ct Natural Multicolor Black Opal, Oval, Opaque, Photo A
Black Opal Product Video (744010)

12.20ct Natural Multicolor Black Opal, Oval, Opaque

Black Opal

12.20ct1 pc
$ 506.30
29.5 x 17.5 mm
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8.93ct Natural Light Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

8.93ct Natural Light Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

8.93ct1 pc
$ 48.92
13 x 13 mm (calibrated)
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3.76ct Natural Pinkish Iris Violet Amethyst, Briolette, VS, Photo A

3.76ct Natural Pinkish Iris Violet Amethyst, Briolette, VS

Amethyst

3.76ct1 pc
$ 16.48
11.2 x 7.7 mm
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23.60ct Natural Plum Purple Ruby-Zoisite, Flower Cut, Opaque, Photo A

23.60ct Natural Plum Purple Ruby-Zoisite, Flower Cut, Opaque

Ruby-Zoisite

23.60ct1 pc
$ 28.68
18 x 17 mm
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39.05ct Natural Multicolor Tiger's Eye Matrix, Square, Opaque, Photo A

39.05ct Natural Multicolor Tiger's Eye Matrix, Square, Opaque

Tiger's Eye Matrix

39.05ct1 pc
$ 38.89
23 x 23 mm
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45.70ct Natural Medium Greenish Blue Turquoise, Oval, Opaque, Photo A

45.70ct Natural Medium Greenish Blue Turquoise, Oval, Opaque

Turquoise

45.70ct1 pc
$ 136.55
32.6 x 18.5 mm
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0.49ct Natural Medium Green Emerald, Oval, Translucent, Photo A

0.49ct Natural Medium Green Emerald, Oval, Translucent

Emerald

0.49ct1 pc
$ 39.04
6 x 4.3 mm
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5.08ctw Natural Sky Blue Topaz, Trillion, VVS-VS, Photo A

5.08ctw Natural Sky Blue Topaz, Trillion, VVS-VS

Topaz

5.08ct total4 pcs
$ 38.96
7 x 7 mm (calibrated)
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0.36ct Natural Pastel Blue Sapphire, Heart, VVS-VS, Photo A

0.36ct Natural Pastel Blue Sapphire, Heart, VVS-VS

Sapphire

0.36ct1 pc
$ 28.68
4 x 4 mm (calibrated)
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0.58ct Natural Jam Red Ruby, Oval, VS-SI, Photo A

0.58ct Natural Jam Red Ruby, Oval, VS-SI

Ruby

0.58ct1 pc
$ 51.99
6 x 4 mm (calibrated)
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11.97ctw Natural Multicolor Jasper, Pear Shape, Opaque, Photo A

11.97ctw Natural Multicolor Jasper, Pear Shape, Opaque

Jasper

11.97ct total2 pcs
$ 6.79
20.4 x 11.9 mm
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2.84ct Natural Light Pinkish Violet Amethyst, Trillion, VVS-VS, Photo A

2.84ct Natural Light Pinkish Violet Amethyst, Trillion, VVS-VS

Amethyst

2.84ct1 pc
$ 22.63
10 x 10 mm (calibrated)
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1.23ctw Natural Medium Orange Sapphire, Round, VVS-VS, Photo A

1.23ctw Natural Medium Orange Sapphire, Round, VVS-VS

Sapphire

1.23ct total2 pcs
$ 80.93
5 mm (calibrated)
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40.92ct Natural Black with Gold Sheen Obsidian, Cushion, Opaque, Photo A

40.92ct Natural Black with Gold Sheen Obsidian, Cushion, Opaque

Obsidian

40.92ct1 pc
$ 44.83
36.1 x 23 mm
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2.53ctw Natural Multicolor Opal, Oval, Transparent, Photo A

2.53ctw Natural Multicolor Opal, Oval, Transparent

Opal

2.53ct total5 pcs
$ 110.87
7 x 5 mm (calibrated)
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14.24ct Natural Schorl Tourmaline, Pear Shape, Opaque, Photo A

14.24ct Natural Schorl Tourmaline, Pear Shape, Opaque

Tourmaline

14.24ct1 pc
$ 59.10
20 x 15 mm (calibrated)
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40.46ct Natural Multicolor Jasper, Oval, Opaque, Photo A

40.46ct Natural Multicolor Jasper, Oval, Opaque

Jasper

40.46ct1 pc
$ 24.83
33.7 x 22.4 mm
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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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0.87ct Natural Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS, Photo A

0.87ct Natural Orange-Gold Citrine, Octagon / Emerald Cut, VVS-VS

Citrine

0.87ct1 pc
$ 6.93
11.9 x 3.9 mm
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2.03ctw Natural White Zircon, Oval, VS, Photo A

2.03ctw Natural White Zircon, Oval, VS

Zircon

2.03ct total2 pcs
$ 12.05
7 x 5 mm (calibrated)
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3.56ctw Natural Deep Orange Sapphire, Oval, VS, Photo A
Sapphire Product Video (443952)

3.56ctw Natural Deep Orange Sapphire, Oval, VS

Sapphire

3.56ct total4 pcs
$ 193.81
6.1 x 5.1 mm
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0.15ctw Natural Black Diamond, Square, Opaque, Photo A

0.15ctw Natural Black Diamond, Square, Opaque

Diamond

0.15ct total2 pcs
$ 74.70
2 x 2 mm (calibrated)
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11.56ct Natural Bubblegum Pink Rose Quartz, Octagon / Emerald Cut, Transparent, Photo A

11.56ct Natural Bubblegum Pink Rose Quartz, Octagon / Emerald Cut, Transparent

Rose Quartz

11.56ct1 pc
$ 47.97
14 x 14 mm (calibrated)
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4.03ct Natural Medium Gold Citrine, Oval, VS, Photo A

4.03ct Natural Medium Gold Citrine, Oval, VS

Citrine

4.03ct1 pc
$ 22.08
12 x 10 mm (calibrated)
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0.97ctw Natural Deep Red Pyrope Garnet, Square, VVS-VS, Photo A

0.97ctw Natural Deep Red Pyrope Garnet, Square, VVS-VS

Pyrope Garnet

0.97ct total2 pcs
$ 7.44
4 x 4 mm (calibrated)
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6.47ct Natural Multicolor Fire Agate, Fancy, Opaque, Photo A

6.47ct Natural Multicolor Fire Agate, Fancy, Opaque

Fire Agate

6.47ct1 pc
$ 49.75
14.3 x 10.4 mm
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1.18ct Natural Hot Pink Ruby, Round, VS-SI, Photo A

1.18ct Natural Hot Pink Ruby, Round, VS-SI

Ruby

1.18ct1 pc
$ 105.78
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 -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

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

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

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

overall great

Posted By SR in April, 2026
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Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
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Overall Rating -> 10 star ratings

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

Posted By Tim in January, 2026
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