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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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1.57ct Natural Purplish Violet Amethyst, Square, VS, Photo A

1.57ct Natural Purplish Violet Amethyst, Square, VS

Amethyst

1.57ct1 pc
$ 12.04
7 x 7 mm (calibrated)
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2.57ctw Natural White Zircon, Oval, VS, Photo A

2.57ctw Natural White Zircon, Oval, VS

Zircon

2.57ct total2 pcs
$ 15.23
7 x 5 mm (calibrated)
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1.74ct Natural Pinkish Red Ruby, Round, VS-SI, Photo A

1.74ct Natural Pinkish Red Ruby, Round, VS-SI

Ruby

1.74ct1 pc
$ 155.97
7 mm (calibrated)
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15.29ct Natural Multicolor Agate, Round, Opaque, Photo A

15.29ct Natural Multicolor Agate, Round, Opaque

Agate

15.29ct1 pc
$ 12.18
15 mm (calibrated)
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0.64ct Natural Medium Orange Sapphire, Oval, VVS, Photo A

0.64ct Natural Medium Orange Sapphire, Oval, VVS

Sapphire

0.64ct1 pc
$ 67.67
6 x 4 mm (calibrated)
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2.11ct Natural Multicolor Opal Triplet, Oval, Opaque, Photo A

2.11ct Natural Multicolor Opal Triplet, Oval, Opaque

Opal Triplet

2.11ct1 pc
$ 52.54
11 x 9 mm (calibrated)
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1.67ct Natural White Zircon, Round, VVS-VS, Photo A

1.67ct Natural White Zircon, Round, VVS-VS

Zircon

1.67ct1 pc
$ 45.75
7 mm (calibrated)
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1.67ct Natural Medium Orange Moonstone, Trillion, Translucent, Photo A

1.67ct Natural Medium Orange Moonstone, Trillion, Translucent

Moonstone

1.67ct1 pc
$ 3.33
10 x 8 mm (calibrated)
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6.52ctw Natural Deep Reddish Orange Rutile Quartz, Round, Transparent, Photo A

6.52ctw Natural Deep Reddish Orange Rutile Quartz, Round, Transparent

Rutile Quartz

6.52ct total2 pcs
$ 19.28
10 mm (calibrated)
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2.19ct Natural Medium Orange Hessonite Garnet, Cushion, SI, Photo A

2.19ct Natural Medium Orange Hessonite Garnet, Cushion, SI

Hessonite Garnet

2.19ct1 pc
$ 37.31
7 x 7 mm (calibrated)
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1.71ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS, Photo A

1.71ctw Natural Intense Violet Blue Tanzanite, Pear Shape, VS

Tanzanite

1.71ct total6 pcs
$ 65.58
5 x 4 mm (calibrated)
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36.79ct Natural Espresso Brown Moonstone, Oval, Opaque, Photo A
Moonstone Product Video (359622)

36.79ct Natural Espresso Brown Moonstone, Oval, Opaque

Moonstone

36.79ct1 pc
$ 80.62
22 x 16.2 mm
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2.82ctw Natural Dark Orange-Gold Sapphire, Oval, VS, Photo A

2.82ctw Natural Dark Orange-Gold Sapphire, Oval, VS

Sapphire

2.82ct total4 pcs
$ 155.19
5.9 x 4.8 mm
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3.79ct Natural Deep Orange-Gold Citrine, Pear Shape, VVS-VS, Photo A

3.79ct Natural Deep Orange-Gold Citrine, Pear Shape, VVS-VS

Citrine

3.79ct1 pc
$ 29.60
12 x 10 mm (calibrated)
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1.87ct Natural Deep Orange Zircon, Pear Shape, VVS, Photo A
Zircon Product Video (365534)

1.87ct Natural Deep Orange Zircon, Pear Shape, VVS

Zircon

1.87ct1 pc
$ 37.91
8 x 6 mm (calibrated)
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0.54ct Natural Bluish White Rainbow Moonstone, Round, Transparent, Photo A

0.54ct Natural Bluish White Rainbow Moonstone, Round, Transparent

Rainbow Moonstone

0.54ct1 pc
$ 18.82
6 mm (calibrated)
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1.58ctw Natural Electric Blue Tanzanite, Pear Shape, VS, Photo A

1.58ctw Natural Electric Blue Tanzanite, Pear Shape, VS

Tanzanite

1.58ct total8 pcs
$ 60.59
5 x 3 mm (calibrated)
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3.19ctw Natural Medium Orange Hessonite Garnet, Square, VS, Photo A

3.19ctw Natural Medium Orange Hessonite Garnet, Square, VS

Hessonite Garnet

3.19ct total2 pcs
$ 69.90
6.5 x 6.4 mm
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1.47ct Natural Multicolor Opal, Oval, Translucent, Photo A

1.47ct Natural Multicolor Opal, Oval, Translucent

Opal

1.47ct1 pc
$ 46.23
9 x 7 mm (calibrated)
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15.74ct Natural Light Yellow Quartz, Flower Cut, Transparent, Photo A

15.74ct Natural Light Yellow Quartz, Flower Cut, Transparent

Quartz

15.74ct1 pc
$ 34.49
17.3 x 17.2 mm
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20.96ct Natural Forest Green Aventurine, Oval, Translucent, Photo A

20.96ct Natural Forest Green Aventurine, Oval, Translucent

Aventurine

20.96ct1 pc
$ 20.87
26.1 x 15 mm
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1.55ct Natural Bright Green Sphene, Oval, Transparent, Photo A

1.55ct Natural Bright Green Sphene, Oval, Transparent

Sphene

1.55ct1 pc
$ 7.72
7.1 x 5.6 mm
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0.62ct Natural Rapberry Red Spinel, Oval, VVS-VS, Photo A

0.62ct Natural Rapberry Red Spinel, Oval, VVS-VS

Spinel

0.62ct1 pc
$ 51.46
5.4 x 4.9 mm
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5.80ctw Natural Sky Blue Topaz, Heart, VVS, Photo A

5.80ctw Natural Sky Blue Topaz, Heart, VVS

Topaz

5.80ct total2 pcs
$ 40.67
9 x 9 mm (calibrated)
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1.16ctw Natural Deep Golden Orange Citrine, Pear Shape, VVS-VS, Photo A

1.16ctw Natural Deep Golden Orange Citrine, Pear Shape, VVS-VS

Citrine

1.16ct total2 pcs
$ 7.63
7 x 5 mm (calibrated)
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0.66ct Natural Flamingo Pink Morganite, Pear Shape, VVS, Photo A

0.66ct Natural Flamingo Pink Morganite, Pear Shape, VVS

Morganite

0.66ct1 pc
$ 39.77
9.3 x 4.6 mm
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7.18ct Natural Black Star Sapphire, Oval, Opaque, Photo A

7.18ct Natural Black Star Sapphire, Oval, Opaque

Star Sapphire

7.18ct1 pc
$ 143.03
11.7 x 9.2 mm
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2.71ct Natural Bubblegum Pink Tourmaline, Octagon / Emerald Cut, VS-SI, Photo A

2.71ct Natural Bubblegum Pink Tourmaline, Octagon / Emerald Cut, VS-SI

Tourmaline

2.71ct1 pc
$ 204.87
8.4 x 6.7 mm
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1.11ct Natural Light Golden-Yellow Beryl, Oval, VS, Photo A

1.11ct Natural Light Golden-Yellow Beryl, Oval, VS

Beryl

1.11ct1 pc
$ 22.11
8 x 6 mm (calibrated)
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6.25ct Natural Medium Golden Citrine, Round, VVS, Photo A

6.25ct Natural Medium Golden Citrine, Round, VVS

Citrine

6.25ct1 pc
$ 47.94
12 mm (calibrated)
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2.21ctw Natural Golden Citrine, Square, VVS-VS, Photo A

2.21ctw Natural Golden Citrine, Square, VVS-VS

Citrine

2.21ct total2 pcs
$ 16.95
6 x 6 mm (calibrated)
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1.85ct Natural Medium Dark-Red Ruby, Oval, VS, Photo A

1.85ct Natural Medium Dark-Red Ruby, Oval, VS

Ruby

1.85ct1 pc
$ 55.28
8 x 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 -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 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

Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
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