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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
3.46ctw Multicolor Opal, Square, Translucent

3.46ctw Multicolor Opal, Square, Translucent

4.1 x 3.7 mm

$ 24.56

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0.51ct Multicolor Opal, Oval, Opaque

0.51ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 15.24

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2.39ctw Multicolor Opal, Oval, Opaque

2.39ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 78.55

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1.48ct Multicolor Opal, Oval, Transparent

1.48ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 36.85

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2.65ctw Multicolor Opal, Oval, Opaque
Opal Product Video (664529)

2.65ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 87.10

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33.07ct Multicolor Opal, Baguette, Opaque

33.07ct Multicolor Opal, Baguette, Opaque

25 x 22.1 mm

$ 98.81

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24.39ct Multicolor Opal, Oval, Opaque

24.39ct Multicolor Opal, Oval, Opaque

26.7 x 18.2 mm

$ 72.87

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1.06ct Multicolor Opal, Oval, Opaque

1.06ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 31.67

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1.72ctw Multicolor Opal, Oval, Opaque

1.72ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 51.39

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1.25ct Multicolor Black Opal, Oval, Translucent

1.25ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 31.13

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0.86ct Multicolor Opal, Oval, Translucent

0.86ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 37.69

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5.29ct Multicolor Boulder Opal, Fancy, Opaque

5.29ct Multicolor Boulder Opal, Fancy, Opaque

17.4 x 12.2 mm

$ 21.95

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15.66ct Multicolor Boulder Opal, Oval, Opaque

15.66ct Multicolor Boulder Opal, Oval, Opaque

18.4 x 14.5 mm

$ 77.99

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1.57ct Multicolor Opal, Oval, Translucent

1.57ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 39.09

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2.91ct Multicolor Opal Doublet, Oval, Opaque

2.91ct Multicolor Opal Doublet, Oval, Opaque

13 x 9 mm (calibrated)

$ 86.95

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3.09ct Multicolor Black Opal, Pear Shape, Transparent

3.09ct Multicolor Black Opal, Pear Shape, Transparent

19.1 x 8.7 mm

$ 90.02

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1.67ct Multicolor Opal, Pear Shape, Translucent

1.67ct Multicolor Opal, Pear Shape, Translucent

12.6 x 7.6 mm

$ 64.04

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2.93ct Multicolor Black Opal, Oval, Translucent

2.93ct Multicolor Black Opal, Oval, Translucent

12.7 x 9.9 mm

$ 72.96

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16.30ct Multicolor Boulder Opal, Cushion, Opaque

16.30ct Multicolor Boulder Opal, Cushion, Opaque

24.9 x 9.9 mm

$ 113.64

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1.37ct Multicolor Opal, Pear Shape, Translucent

1.37ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 52.54

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5.62ctw Multicolor Opal, Square, Transparent

5.62ctw Multicolor Opal, Square, Transparent

4.7 x 4.6 mm

$ 39.90

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6.91ct Multicolor Boulder Opal, Fancy, Opaque

6.91ct Multicolor Boulder Opal, Fancy, Opaque

19.3 x 10.7 mm

$ 28.68

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1.18ctw Multicolor Opal, Oval, Opaque

1.18ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 38.79

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13.64ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (679218)

13.64ct Multicolor Boulder Opal, Fancy, Opaque

20 x 15 mm (calibrated)

$ 67.93

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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

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate
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