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Home › Gemstones › Opal

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
Yellow Opal
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 Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
6.06ct Multicolor Black Opal, Oval, Opaque

6.06ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 181.07

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1.59ct Multicolor Opal, Oval, Transparent

1.59ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 69.68

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2.21ct Multicolor Opal, Oval, Translucent

2.21ct Multicolor Opal, Oval, Translucent

11.7 x 8.8 mm

$ 55.58

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1.30ct Multicolor Opal, Oval, Opaque

1.30ct Multicolor Opal, Oval, Opaque

10 x 7 mm (calibrated)

$ 38.84

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0.67ct Multicolor Opal, Oval, Opaque

0.67ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 20.02

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1.40ct Multicolor Black Opal, Trillion, Opaque

1.40ct Multicolor Black Opal, Trillion, Opaque

9.8 x 9.4 mm

$ 42.62

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0.92ct Multicolor Opal, Oval, Opaque

0.92ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.49

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0.56ct Multicolor Opal, Oval, Opaque

0.56ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.73

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1.57ctw Multicolor Opal, Oval, Opaque

1.57ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 51.60

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2.34ct Multicolor Opal, Pear Shape, Translucent

2.34ct Multicolor Opal, Pear Shape, Translucent

13.8 x 8.1 mm

$ 59.03

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3.12ct Multicolor Opal, Pear Shape, Transparent

3.12ct Multicolor Opal, Pear Shape, Transparent

15.2 x 9 mm

$ 78.44

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1.38ct Multicolor Opal, Pear Shape, Transparent

1.38ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 34.36

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2.86ct Multicolor Boulder Opal, Oval, Opaque

2.86ct Multicolor Boulder Opal, Oval, Opaque

13.6 x 7.3 mm

$ 11.87

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2.01ctw Multicolor Opal, Oval, Opaque

2.01ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.06

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36.66ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (523723)

36.66ct Multicolor Boulder Opal, Oval, Opaque

39.1 x 16.4 mm

$ 200.83

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1.22ct Multicolor Opal, Oval, Transparent

1.22ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 30.38

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0.66ct Multicolor Opal, Pear Shape, Transparent

0.66ct Multicolor Opal, Pear Shape, Transparent

7.9 x 5.7 mm

$ 16.43

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3.10ctw Multicolor Opal, Square, Translucent

3.10ctw Multicolor Opal, Square, Translucent

3.7 x 3.6 mm

$ 22.01

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1.60ct Multicolor Opal, Oval, Transparent

1.60ct Multicolor Opal, Oval, Transparent

10.2 x 7.5 mm

$ 66.93

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1.74ctw Multicolor Black Opal, Oval, Translucent

1.74ctw Multicolor Black Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 57.19

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1.66ct Multicolor Black Opal, Oval, Translucent

1.66ct Multicolor Black Opal, Oval, Translucent

10.7 x 8.4 mm

$ 41.33

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3.16ct Multicolor Boulder Opal, Cushion, Opaque

3.16ct Multicolor Boulder Opal, Cushion, Opaque

9.7 x 7.6 mm

$ 13.11

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0.96ct Multicolor Opal, Pear Shape, Transparent

0.96ct Multicolor Opal, Pear Shape, Transparent

9.8 x 6.7 mm

$ 24.00

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3.54ct Multicolor Boulder Opal, Fancy, Opaque

3.54ct Multicolor Boulder Opal, Fancy, Opaque

14.7 x 9 mm

$ 14.69

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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 -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
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Very good place to buy gemstones

Posted By Elansary in March, 2026
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Overall Rating -> 10 star ratings

I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.

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

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
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Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate
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