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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
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.42ct Multicolor Opal, Oval, Transparent

1.42ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 53.82

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6.45ct Multicolor Opal, Pear Shape, Translucent
Opal Product Video (673598)

6.45ct Multicolor Opal, Pear Shape, Translucent

16 x 12 mm (calibrated)

$ 193.50

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1.19ct Multicolor Opal, Oval, Opaque

1.19ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 47.12

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1.62ct Multicolor Opal, Oval, Opaque

1.62ct Multicolor Opal, Oval, Opaque

9.1 x 5.1 mm

$ 64.15

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1.18ct Multicolor Chocolate Opal, Oval, Translucent

1.18ct Multicolor Chocolate Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 46.73

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0.69ct Multicolor Opal, Oval, Opaque

0.69ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 24.84

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25.34ct Medium Green Opal, Cushion, Opaque

25.34ct Medium Green Opal, Cushion, Opaque

22.6 x 18.5 mm

$ 65.38

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1.11ct Multicolor Opal, Oval, Opaque

1.11ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 39.96

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1.02ct Multicolor Opal, Oval, Translucent

1.02ct Multicolor Opal, Oval, Translucent

8.3 x 6.3 mm

$ 33.66

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1.88ct Multicolor Opal, Oval, Translucent

1.88ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 50.94

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0.58ct Multicolor Opal, Pear Shape, Transparent

0.58ct Multicolor Opal, Pear Shape, Transparent

7.2 x 5.2 mm

$ 17.40

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0.80ct Multicolor Opal, Oval, Opaque

0.80ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 28.80

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8.62ct Medium Green Opal, Pear Shape, Opaque

8.62ct Medium Green Opal, Pear Shape, Opaque

20 x 15 mm (calibrated)

$ 22.24

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1.09ct Multicolor Opal, Oval, Opaque

1.09ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 39.24

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1.19ct Multicolor Opal, Pear Shape, Translucent

1.19ct Multicolor Opal, Pear Shape, Translucent

9 x 7 mm (calibrated)

$ 35.86

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0.48ct Multicolor Opal, Pear Shape, Transparent

0.48ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 14.40

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2.53ctw Medium Orange Opal, Oval, Transparent

2.53ctw Medium Orange Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 91.34

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10.92ct Multicolor Boulder Opal, Fancy, Opaque

10.92ct Multicolor Boulder Opal, Fancy, Opaque

22.6 x 12.9 mm

$ 65.52

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4.71ctw Multicolor Opal, Round, Translucent

4.71ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 174.08

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0.78ct Multicolor Opal, Oval, Opaque

0.78ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 28.08

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18.19ct Multicolor Boulder Opal, Pear Shape, Opaque

18.19ct Multicolor Boulder Opal, Pear Shape, Opaque

27.8 x 14.8 mm

$ 152.80

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19.78ct Medium Gold Cat's Eye Opal, Oval, Opaque

19.78ct Medium Gold Cat's Eye Opal, Oval, Opaque

23.7 x 17.3 mm

$ 71.21

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0.59ct Multicolor Opal, Oval, Opaque

0.59ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 21.24

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4.45ct Golden-Orange Cat's Eye Opal, Oval, Translucent

4.45ct Golden-Orange Cat's Eye Opal, Oval, Translucent

12.5 x 9.5 mm

$ 17.63

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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

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
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
→ View All GemSelect Reviews on Bizrate
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