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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

Black Opal
White Opal
Boulder Opal
Chocolate Opal
Fire Opal
Opal Doublet
Matrix Opal
Round Opal Gems
1-2 Carat Opal
2-5 Carat Opal
Opal Weight
Opal Size
Opal Clarity
Opal Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Opal
Blue
Brown Opal
Golden Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.49ct Multicolor Opal, Oval, Opaque

1.49ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 53.64

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1.83ct Multicolor Opal, Oval, Opaque

1.83ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 65.88

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21.20ct Multicolor Boulder Opal, Pear Shape, Opaque
Boulder Opal Product Video (449597)

21.20ct Multicolor Boulder Opal, Pear Shape, Opaque

25 x 18 mm (calibrated)

$ 195.89

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7.10ct Multicolor Boulder Opal, Oval, Opaque

7.10ct Multicolor Boulder Opal, Oval, Opaque

21.2 x 10.1 mm

$ 59.64

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0.62ct Multicolor Opal, Pear Shape, Transparent

0.62ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 18.60

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10.68ct Multicolor Boulder Opal, Fancy, Opaque

10.68ct Multicolor Boulder Opal, Fancy, Opaque

20.1 x 16.5 mm

$ 64.08

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1.45ct Multicolor Opal, Oval, Opaque

1.45ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 52.20

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0.93ctw Multicolor Opal, Oval, Opaque

0.93ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 36.83

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4.91ct Golden-Orange Cat's Eye Opal, Oval, Opaque

4.91ct Golden-Orange Cat's Eye Opal, Oval, Opaque

13.4 x 9.9 mm

$ 17.68

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3.41ct Earthy Green Cat's Eye Opal, Oval, Opaque

3.41ct Earthy Green Cat's Eye Opal, Oval, Opaque

10.9 x 9.4 mm

$ 6.82

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1.64ct Multicolor Opal, Fancy, Translucent

1.64ct Multicolor Opal, Fancy, Translucent

10.4 x 7.6 mm

$ 55.10

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21.69ct Earthy Green Cat's Eye Opal, Cushion, Opaque

21.69ct Earthy Green Cat's Eye Opal, Cushion, Opaque

20.9 x 12.7 mm

$ 43.38

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1.14ct Multicolor Opal, Oval, Translucent

1.14ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.14

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3.04ct Multicolor Opal, Pear Shape, Translucent
Opal Product Video (490829)

3.04ct Multicolor Opal, Pear Shape, Translucent

12 x 10 mm (calibrated)

$ 101.63

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0.84ct Multicolor Chocolate Opal, Oval, Opaque

0.84ct Multicolor Chocolate Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 30.24

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6.14ct Medium Golden Cat's Eye Opal, Oval, Opaque

6.14ct Medium Golden Cat's Eye Opal, Oval, Opaque

13.4 x 10.6 mm

$ 22.10

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14.58ct Yellowish Green Cat's Eye Opal, Oval, Opaque

14.58ct Yellowish Green Cat's Eye Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 43.74

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2.42ctw Multicolor Opal, Oval, Opaque

2.42ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 87.12

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1.24ct Multicolor Opal, Oval, Translucent

1.24ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 42.72

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0.86ctw Multicolor Opal, Oval, Opaque

0.86ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 34.06

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0.95ct Multicolor Opal, Oval, Opaque

0.95ct Multicolor Opal, Oval, Opaque

8.7 x 6.7 mm

$ 34.20

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1.18ctw Multicolor Opal, Oval, Opaque

1.18ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 42.48

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1.96ct Multicolor Opal, Oval, Opaque

1.96ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 77.62

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1.36ct Multicolor Opal, Oval, Translucent

1.36ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 40.97

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Why Buy Opal from GemSelect?

Natural Opal Gemstones

Our natural opal gemstones are carefully selected for their vibrant play-of-color and individuality. Each stone is unique, making opals a favorite among jewelers and collectors.

Loose Opal Gemstones Online

Buy loose opal gemstones online at GemSelect with confidence. We offer detailed photos, transparent descriptions, and secure worldwide shipping.

Loose Opal Gemstones for Jewelry and Collecting

Opal for Jewelry Making

Opal gemstones are ideal for custom jewelry such as rings, pendants, and earrings. Their shifting colors create eye-catching designs unlike any other gemstone.

Australian and Ethiopian Opal

Australian opals are prized for their durability and classic color play, while Ethiopian opals are known for bold patterns and vivid flashes of color.

Faceted Opal Stones

Faceted opal gemstones enhance brilliance and highlight internal color play. These stones are perfect for modern jewelry designs requiring extra sparkle.

Opal Cabochons

Opal cabochons feature smooth, domed surfaces that emphasize color patterns. They are a popular choice for statement jewelry and artistic settings.

Wholesale Opal Gemstones

We offer wholesale opal gemstones for jewelers and designers seeking quality stones at competitive prices, including matched pairs and calibrated sizes.

October Birthstone Opal

Opal is the October birthstone, symbolizing creativity and individuality. It makes a meaningful gift for birthdays and special occasions.

Learn more about opal characteristics, care, and history on our Opal Information Page.

FAQs

What makes opal gemstones unique?

Opals are known for their play-of-color, an optical effect where flashes of color shift with movement and light.

Are GemSelect’s opal gemstones natural?

Yes, all our opal gemstones are natural. Any treatments or stabilizations are clearly disclosed.

Are opals suitable for everyday jewelry?

Opals are best suited for occasional wear. Protective settings are recommended due to their moderate hardness.

What types of opal do you sell?

We offer a wide range including Australian opal, Ethiopian opal, black opal, white opal, fire opal, and boulder opal.

Can I buy opal gemstones in matched pairs?

Yes, we offer matched opal pairs ideal for earrings and custom jewelry designs.

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

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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