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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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18.66ct Natural Swiss Blue Topaz, Flower Cut, Transparent, Photo A
Topaz Product Video (486158)

18.66ct Natural Swiss Blue Topaz, Flower Cut, Transparent

Topaz

18.66ct1 pc
$ 147.79
18.4 x 15.9 mm
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3.60ct Natural Jam Red Ruby, Oval, VS-SI, Photo A

3.60ct Natural Jam Red Ruby, Oval, VS-SI

Ruby

3.60ct1 pc
$ 388.80
10 x 8 mm (calibrated)
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5.36ct Natural Multicolor Pietersite, Marquise, Opaque, Photo A

5.36ct Natural Multicolor Pietersite, Marquise, Opaque

Pietersite

5.36ct1 pc
$ 15.62
21 x 8 mm
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1.59ct Natural Deep Orange Hessonite Garnet, Square, VS-SI, Photo A

1.59ct Natural Deep Orange Hessonite Garnet, Square, VS-SI

Hessonite Garnet

1.59ct1 pc
$ 36.18
6 x 6 mm (calibrated)
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2.24ctw Natural White Zircon, Oval, VS, Photo A

2.24ctw Natural White Zircon, Oval, VS

Zircon

2.24ct total2 pcs
$ 16.00
7 x 5 mm (calibrated)
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0.35ct Natural Pastel Blue Sapphire, Heart, VS, Photo A

0.35ct Natural Pastel Blue Sapphire, Heart, VS

Sapphire

0.35ct1 pc
$ 33.60
4.3 x 4.2 mm
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3.66ct Natural Multicolor Opal Triplet, Oval, Opaque, Photo A

3.66ct Natural Multicolor Opal Triplet, Oval, Opaque

Opal Triplet

3.66ct1 pc
$ 109.80
14 x 10 mm (calibrated)
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2.60ct Natural Violet Blue Chalcedony, Oval, Transparent, Photo A

2.60ct Natural Violet Blue Chalcedony, Oval, Transparent

Chalcedony

2.60ct1 pc
$ 6.24
10 x 8 mm (calibrated)
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1.18ct Natural Reddish Orange Hessonite Garnet, Square, SI, Photo A

1.18ct Natural Reddish Orange Hessonite Garnet, Square, SI

Hessonite Garnet

1.18ct1 pc
$ 23.86
6 x 6 mm (calibrated)
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1.01ctw Natural Deep Red Pyrope Garnet, Square, VS, Photo A

1.01ctw Natural Deep Red Pyrope Garnet, Square, VS

Pyrope Garnet

1.01ct total2 pcs
$ 8.00
4.2 x 4.1 mm
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5.86ct Natural Light Lilac Kunzite, Cushion, VVS-VS, Photo A

5.86ct Natural Light Lilac Kunzite, Cushion, VVS-VS

Kunzite

5.86ct1 pc
$ 194.29
10.8 x 10.3 mm
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2.08ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI, Photo A

2.08ct Natural Deep Orange Hessonite Garnet, Cushion, VS-SI

Hessonite Garnet

2.08ct1 pc
$ 42.68
7 x 7 mm (calibrated)
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1.29ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS, Photo A

1.29ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

1.29ct total8 pcs
$ 59.60
5 x 3 mm (calibrated)
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57.10ct Natural Multicolor Obsidian, Cushion, Opaque, Photo A

57.10ct Natural Multicolor Obsidian, Cushion, Opaque

Obsidian

57.10ct1 pc
$ 75.37
41.1 x 21.1 mm
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4.53ct Natural Raspberry Pink Strawberry Quartz, Oval, Translucent, Photo A

4.53ct Natural Raspberry Pink Strawberry Quartz, Oval, Translucent

Strawberry Quartz

4.53ct1 pc
$ 65.23
12 x 10 mm (calibrated)
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2.32ctw Natural Medium-Light Pink Strawberry Quartz, Oval, Translucent, Photo A

2.32ctw Natural Medium-Light Pink Strawberry Quartz, Oval, Translucent

Strawberry Quartz

2.32ct total2 pcs
$ 36.74
8 x 6 mm (calibrated)
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33.39ct Natural Multicolor Jasper, Fancy, Opaque, Photo A

33.39ct Natural Multicolor Jasper, Fancy, Opaque

Jasper

33.39ct1 pc
$ 12.02
40.3 x 10.3 mm
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19.40ct Natural Multicolor Jasper, Oval, Opaque, Photo A

19.40ct Natural Multicolor Jasper, Oval, Opaque

Jasper

19.40ct1 pc
$ 25.61
31.9 x 14.7 mm
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1.89ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.89ct Natural Multicolor Opal, Oval, Translucent

Opal

1.89ct1 pc
$ 56.70
12 x 8 mm (calibrated)
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0.78ct Natural Medium Green Peridot, Oval, VVS-VS, Photo A

0.78ct Natural Medium Green Peridot, Oval, VVS-VS

Peridot

0.78ct1 pc
$ 13.10
7 x 5 mm (calibrated)
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5.95ctw Natural Multicolor Mystic Quartz, Pear Shape, VVS, Photo A

5.95ctw Natural Multicolor Mystic Quartz, Pear Shape, VVS

Mystic Quartz

5.95ct total2 pcs
$ 49.98
12 x 8 mm (calibrated)
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5.61ctw Natural Multicolor Pietersite, Trillion, Opaque, Photo A

5.61ctw Natural Multicolor Pietersite, Trillion, Opaque

Pietersite

5.61ct total2 pcs
$ 16.56
11.8 x 11.1 mm
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2.89ct Natural Medium Violet Amethyst, Trillion, VVS-VS, Photo A

2.89ct Natural Medium Violet Amethyst, Trillion, VVS-VS

Amethyst

2.89ct1 pc
$ 22.88
10 x 10 mm (calibrated)
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0.72ct Natural Bright Pinkish Purple Sapphire, Fancy, VVS-VS, Photo A

0.72ct Natural Bright Pinkish Purple Sapphire, Fancy, VVS-VS

Sapphire

0.72ct1 pc
$ 96.65
8.7 x 4.8 mm
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2.14ct Natural Earthy Yellow Rutile Quartz, Pear Shape, Transparent, Photo A

2.14ct Natural Earthy Yellow Rutile Quartz, Pear Shape, Transparent

Rutile Quartz

2.14ct1 pc
$ 6.95
10 x 7 mm (calibrated)
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30.00ct Natural Multicolor Rhodochrosite, Fancy, Translucent, Photo A

30.00ct Natural Multicolor Rhodochrosite, Fancy, Translucent

Rhodochrosite

30.00ct1 pc
$ 27.72
30.8 x 16.1 mm
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0.25ct Natural Dark Bluish Purple Iolite, Round, VS, Photo A

0.25ct Natural Dark Bluish Purple Iolite, Round, VS

Iolite

0.25ct1 pc
$ 12.00
4.2 mm
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12.02ct Natural Multicolor Ammolite, Fancy, Opaque, Photo A

12.02ct Natural Multicolor Ammolite, Fancy, Opaque

Ammolite

12.02ct1 pc
$ 158.66
25.9 x 11 mm
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9.29ct Natural Light Coral Pink Morganite, Oval, Transparent, Photo A

9.29ct Natural Light Coral Pink Morganite, Oval, Transparent

Morganite

9.29ct1 pc
$ 111.48
16 x 12 mm (calibrated)
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3.98ctw Natural White Zircon, Oval, VVS-VS, Photo A

3.98ctw Natural White Zircon, Oval, VVS-VS

Zircon

3.98ct total6 pcs
$ 28.79
6 x 4 mm (calibrated)
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4.08ctw Natural Light Orange Moonstone, Trillion, Translucent, Photo A

4.08ctw Natural Light Orange Moonstone, Trillion, Translucent

Moonstone

4.08ct total2 pcs
$ 10.78
8 x 8 mm (calibrated)
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1.33ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS, Photo A

1.33ct Natural Forest Green Tourmaline, Octagon / Emerald Cut, VVS-VS

Tourmaline

1.33ct1 pc
$ 33.67
18.6 x 3 mm
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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

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
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
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