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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
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
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
11.89ct Green Opal, Oval, Opaque

11.89ct Green Opal, Oval, Opaque

17 x 14.1 mm

$ 25.46

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1.32ct Multicolor Opal, Fancy, Translucent

1.32ct Multicolor Opal, Fancy, Translucent

8 x 6 mm (calibrated)

$ 36.81

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1.72ct Multicolor Black Opal, Oval, Translucent

1.72ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 42.83

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1.29ct Multicolor Opal, Pear Shape, Transparent

1.29ct Multicolor Opal, Pear Shape, Transparent

12.2 x 7.4 mm

$ 60.77

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1.56ctw Orange Fire Opal, Oval, Translucent

1.56ctw Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 42.73

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2.86ct White Opal, Oval, Transparent

2.86ct White Opal, Oval, Transparent

13.3 x 8.5 mm

$ 71.21

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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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1.74ct Multicolor Black Opal, Oval, Translucent

1.74ct Multicolor Black Opal, Oval, Translucent

12 x 8.7 mm

$ 43.33

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1.14ct Multicolor Opal, Oval, Translucent

1.14ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 28.39

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1.91ct Yellow Cat'S Eye Opal, Oval, Translucent

1.91ct Yellow Cat'S Eye Opal, Oval, Translucent

10.7 x 6.7 mm

$ 8.37

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1.18ct Multicolor Opal, Pear Shape, Transparent

1.18ct Multicolor Opal, Pear Shape, Transparent

13.2 x 6.7 mm

$ 29.38

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1.57ct Multicolor Black Opal, Round, Opaque

1.57ct Multicolor Black Opal, Round, Opaque

9 mm (calibrated)

$ 39.67

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0.87ctw Multicolor Opal, Oval, Opaque

0.87ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 26.00

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0.97ct Multicolor Opal, Oval, Translucent

0.97ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 30.52

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3.43ctw Multicolor Opal, Round, Transparent

3.43ctw Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 80.08

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1.55ctw Multicolor Opal, Oval, Translucent

1.55ctw Multicolor Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 50.95

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1.70ct Multicolor Opal, Pear Shape, Translucent

1.70ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 35.56

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0.47ct Brown Chocolate Opal, Oval, Opaque

0.47ct Brown Chocolate Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 14.04

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0.95ct Multicolor Opal, Pear Shape, Translucent

0.95ct Multicolor Opal, Pear Shape, Translucent

9.5 x 6.6 mm

$ 23.96

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0.52ct Multicolor Opal, Oval, Transparent

0.52ct Multicolor Opal, Oval, Transparent

7.2 x 5.5 mm

$ 12.95

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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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4.81ct Multicolor Opal, Pear Shape, Translucent

4.81ct Multicolor Opal, Pear Shape, Translucent

13.1 x 10.1 mm

$ 119.77

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0.80ct Multicolor Opal, Marquise, Transparent

0.80ct Multicolor Opal, Marquise, Transparent

10.7 x 5.6 mm

$ 19.92

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2.98ct Multicolor Opal, Trillion, Transparent
Opal Product Video (691103)

2.98ct Multicolor Opal, Trillion, Transparent

11.6 x 11.1 mm

$ 133.56

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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

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 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

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
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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