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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
Clear All
36.66ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (523723)

36.66ct Multicolor Boulder Opal, Oval, Opaque

39.1 x 16.4 mm

$ 241.96

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1.10ct Multicolor Opal, Pear Shape, Translucent

1.10ct Multicolor Opal, Pear Shape, Translucent

10 x 7 mm (calibrated)

$ 33.00

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3.18ct Multicolor Black Opal, Oval, Opaque

3.18ct Multicolor Black Opal, Oval, Opaque

13.7 x 10.7 mm

$ 111.62

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1.21ct Multicolor Opal, Oval, Translucent

1.21ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 63.89

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8.78ct Medium Yellow Cat's Eye Opal, Oval, Opaque

8.78ct Medium Yellow Cat's Eye Opal, Oval, Opaque

14.8 x 11.9 mm

$ 31.61

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1.45ctw Medium Orange Fire Opal, Oval, Translucent

1.45ctw Medium Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 47.86

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0.40ct Multicolor Opal, Oval, Opaque

0.40ct Multicolor Opal, Oval, Opaque

6.5 x 5 mm

$ 14.40

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0.70ct Multicolor Opal, Fancy, Translucent

0.70ct Multicolor Opal, Fancy, Translucent

10.7 x 7.4 mm

$ 23.52

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28.42ct Multicolor Opal, Oval, Opaque
Opal Product Video (667932)

28.42ct Multicolor Opal, Oval, Opaque

28.9 x 20.2 mm

$ 102.31

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0.52ct Bluish White Opal, Oval, Transparent

0.52ct Bluish White Opal, Oval, Transparent

7.2 x 5.3 mm

$ 15.60

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10.15ct Multicolor Black Opal, Oval, Opaque

10.15ct Multicolor Black Opal, Oval, Opaque

17.8 x 14.5 mm

$ 507.50

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3.27ct Multicolor Opal, Cushion, Transparent

3.27ct Multicolor Opal, Cushion, Transparent

15.7 x 7.3 mm

$ 99.04

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3.96ct Multicolor Opal, Oval, Translucent

3.96ct Multicolor Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 105.40

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5.75ctw Multicolor Opal, Square, Transparent

5.75ctw Multicolor Opal, Square, Transparent

4.7 x 4.7 mm

$ 49.70

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0.49ct Multicolor Chocolate Opal, Oval, Translucent

0.49ct Multicolor Chocolate Opal, Oval, Translucent

7.4 x 5.2 mm

$ 19.40

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1.10ct Multicolor Opal, Round, Translucent

1.10ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 32.54

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6.46ctw Multicolor Opal, Round, Translucent
Opal Product Video (466388)

6.46ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 238.76

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1.17ct Multicolor Chocolate Opal, Oval, Translucent

1.17ct Multicolor Chocolate Opal, Oval, Translucent

9.9 x 6.7 mm

$ 46.33

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0.72ct Multicolor Chocolate Opal, Oval, Translucent

0.72ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 28.51

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2.71ct Royal Yellow Cat's Eye Opal, Oval, Opaque

2.71ct Royal Yellow Cat's Eye Opal, Oval, Opaque

10.7 x 6.3 mm

$ 9.76

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25.02ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (636159)

25.02ct Multicolor Boulder Opal, Fancy, Opaque

29.5 x 18.4 mm

$ 210.17

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10.45ct Multicolor Boulder Opal, Cushion, Opaque

10.45ct Multicolor Boulder Opal, Cushion, Opaque

26.9 x 9.6 mm

$ 62.70

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10.83ct Warm Green Opal, Oval, Opaque

10.83ct Warm Green Opal, Oval, Opaque

21.3 x 13.6 mm

$ 27.94

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0.71ct Medium Orange Fire Opal, Oval, Translucent

0.71ct Medium Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 19.53

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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

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

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful experience so far. I rarely order from vendors online but Ia'm hoping the gem I ordered is of good quality and not a fake.

Posted By Online Shopper in August, 2025
Source: Bizrate
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