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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 Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
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2.54ct Multicolor Black Opal, Oval, Transparent

2.54ct Multicolor Black Opal, Oval, Transparent

12.2 x 9.2 mm

$ 101.60

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8.47ctw Multicolor Opal, Round, Translucent

8.47ctw Multicolor Opal, Round, Translucent

10 mm (calibrated)

$ 284.59

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11.18ct Multicolor Boulder Opal, Pear Shape, Opaque

11.18ct Multicolor Boulder Opal, Pear Shape, Opaque

23.3 x 16.3 mm

$ 73.79

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1.03ct Multicolor Opal, Oval, Transparent

1.03ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 30.90

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19.30ct Multicolor Boulder Opal, Fancy, Translucent
Boulder Opal Product Video (524128)

19.30ct Multicolor Boulder Opal, Fancy, Translucent

25.4 x 21.2 mm

$ 127.38

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1.13ct Multicolor Black Opal, Pear Shape, Opaque

1.13ct Multicolor Black Opal, Pear Shape, Opaque

10 x 8 mm (calibrated)

$ 39.55

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2.24ct Multicolor Opal, Oval, Translucent

2.24ct Multicolor Opal, Oval, Translucent

10.7 x 8.3 mm

$ 68.09

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1.29ct Multicolor Opal, Pear Shape, Transparent

1.29ct Multicolor Opal, Pear Shape, Transparent

11.8 x 7 mm

$ 59.60

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16.76ct Multicolor Boulder Opal, Fancy, Opaque

16.76ct Multicolor Boulder Opal, Fancy, Opaque

29.1 x 12.2 mm

$ 100.56

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1.66ctw Multicolor Opal, Oval, Transparent

1.66ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 87.65

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1.32ct Multicolor Opal, Oval, Transparent

1.32ct Multicolor Opal, Oval, Transparent

10.8 x 7.1 mm

$ 40.13

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1.09ct Multicolor Opal, Fancy, Translucent

1.09ct Multicolor Opal, Fancy, Translucent

7.9 x 6.9 mm

$ 36.62

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1.01ct Multicolor Chocolate Opal, Oval, Opaque

1.01ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 36.36

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16.59ct Multicolor Boulder Opal, Fancy, Opaque

16.59ct Multicolor Boulder Opal, Fancy, Opaque

29.3 x 14.7 mm

$ 99.54

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0.38ct Multicolor Chocolate Opal, Oval, Opaque

0.38ct Multicolor Chocolate Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 13.68

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1.45ct Multicolor Black Opal, Marquise, Translucent

1.45ct Multicolor Black Opal, Marquise, Translucent

17.1 x 6.4 mm

$ 43.93

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3.83ct Multicolor Opal, Oval, Transparent

3.83ct Multicolor Opal, Oval, Transparent

14 x 10 mm (calibrated)

$ 116.00

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0.85ctw Multicolor Opal, Oval, Opaque

0.85ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 33.66

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2.12ct Multicolor Black Opal, Oval, Opaque

2.12ct Multicolor Black Opal, Oval, Opaque

10.6 x 8.4 mm

$ 74.20

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0.92ctw Multicolor Opal, Oval, Opaque

0.92ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 33.12

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0.47ct Multicolor Opal, Oval, Opaque

0.47ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.92

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3.90ctw Multicolor Opal, Square, Transparent

3.90ctw Multicolor Opal, Square, Transparent

4 x 4 mm (calibrated)

$ 33.36

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0.82ct Multicolor Opal, Oval, Opaque

0.82ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 29.52

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20.92ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (300454)

20.92ct Multicolor Boulder Opal, Oval, Opaque

25.5 x 14.9 mm

$ 193.30

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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

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 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

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate
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