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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
4.13ct Multicolor Black Opal, Oval, Opaque

4.13ct Multicolor Black Opal, Oval, Opaque

12.8 x 10.5 mm

$ 171.40

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0.53ct Multicolor Opal, Pear Shape, Transparent

0.53ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 13.20

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1.23ct Multicolor Opal, Oval, Transparent

1.23ct Multicolor Opal, Oval, Transparent

10.8 x 7.4 mm

$ 30.63

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1.44ct Multicolor Black Opal, Marquise, Opaque
Black Opal Product Video (754910)

1.44ct Multicolor Black Opal, Marquise, Opaque

13.7 x 6 mm

$ 36.38

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46.92ct Multicolor Opal, Pear Shape, Opaque

46.92ct Multicolor Opal, Pear Shape, Opaque

36.9 x 28.1 mm

$ 140.20

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1.41ct Multicolor Opal, Oval, Translucent

1.41ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 34.88

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0.94ctw Multicolor Opal, Oval, Transparent

0.94ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 257.47

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5.56ctw Multicolor Opal, Round, Transparent

5.56ctw Multicolor Opal, Round, Transparent

8 mm (calibrated)

$ 170.57

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5.32ctw Multicolor Opal, Round, Translucent

5.32ctw Multicolor Opal, Round, Translucent

6.5 mm (calibrated)

$ 163.20

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3.05ct Multicolor Opal, Marquise, Translucent

3.05ct Multicolor Opal, Marquise, Translucent

20.8 x 8.2 mm

$ 67.38

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4.06ct Multicolor Black Opal, Trillion, Opaque

4.06ct Multicolor Black Opal, Trillion, Opaque

13.7 x 13.1 mm

$ 121.31

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2.19ctw Multicolor Opal, Oval, Opaque

2.19ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 71.98

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1.51ctw Multicolor Opal, Oval, Transparent
Opal Product Video (547993)

1.51ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 413.59

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0.71ct Multicolor Chocolate Opal, Oval, Translucent

0.71ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 21.21

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1.31ctw Multicolor Opal, Oval, Opaque

1.31ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 39.14

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31.72ct Multicolor Opal, Oval, Opaque

31.72ct Multicolor Opal, Oval, Opaque

31.2 x 22.8 mm

$ 94.78

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22.64ct Multicolor Boulder Opal, Oval, Opaque

22.64ct Multicolor Boulder Opal, Oval, Opaque

23.1 x 17.6 mm

$ 93.96

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2.40ct Multicolor Black Opal, Oval, Translucent

2.40ct Multicolor Black Opal, Oval, Translucent

11.9 x 9.3 mm

$ 59.76

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9.73ct Multicolor Boulder Opal, Fancy, Opaque

9.73ct Multicolor Boulder Opal, Fancy, Opaque

16 x 12 mm (calibrated)

$ 48.46

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1.16ct Multicolor Opal, Oval, Transparent

1.16ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 28.88

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6.10ct Multicolor Boulder Opal, Fancy, Transparent

6.10ct Multicolor Boulder Opal, Fancy, Transparent

17 x 11.5 mm

$ 30.38

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19.38ct Multicolor Opal, Oval, Opaque

19.38ct Multicolor Opal, Oval, Opaque

23 x 16.6 mm

$ 57.91

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1.04ct Multicolor Black Opal, Emerald Cut, Opaque

1.04ct Multicolor Black Opal, Emerald Cut, Opaque

8.3 x 6.9 mm

$ 30.21

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17.63ct Multicolor Boulder Opal, Fancy, Opaque

17.63ct Multicolor Boulder Opal, Fancy, Opaque

23.8 x 14.9 mm

$ 87.80

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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 found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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 -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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