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Home › Gemstones › Opal

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
10.20ct Multicolor Boulder Opal, Fancy, Opaque

10.20ct Multicolor Boulder Opal, Fancy, Opaque

20.9 x 13.5 mm

$ 42.33

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4.88ct Multicolor Black Opal, Pear Shape, Opaque

4.88ct Multicolor Black Opal, Pear Shape, Opaque

16.3 x 11 mm

$ 142.17

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7.78ct Multicolor Opal, Pear Shape, Transparent
Opal Product Video (752457)

7.78ct Multicolor Opal, Pear Shape, Transparent

17.1 x 16 mm

$ 193.72

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0.74ct Multicolor Opal, Pear Shape, Transparent

0.74ct Multicolor Opal, Pear Shape, Transparent

8 x 6 mm (calibrated)

$ 18.43

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13.78ct Multicolor Boulder Opal, Cushion, Translucent

13.78ct Multicolor Boulder Opal, Cushion, Translucent

19.2 x 13.2 mm

$ 105.68

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12.50ct Multicolor Boulder Opal, Oval, Translucent

12.50ct Multicolor Boulder Opal, Oval, Translucent

22.8 x 11.5 mm

$ 87.15

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2.96ct Multicolor Opal, Oval, Transparent

2.96ct Multicolor Opal, Oval, Transparent

11.7 x 9.5 mm

$ 74.44

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6.73ct Multicolor Boulder Opal, Oval, Opaque

6.73ct Multicolor Boulder Opal, Oval, Opaque

18.2 x 11.7 mm

$ 27.93

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1.91ct Multicolor Opal, Pear Shape, Translucent

1.91ct Multicolor Opal, Pear Shape, Translucent

12 x 8.9 mm

$ 83.71

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3.79ct Multicolor Black Opal, Oval, Opaque

3.79ct Multicolor Black Opal, Oval, Opaque

14.7 x 10.6 mm

$ 110.41

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1.62ct Multicolor Opal Doublet, Pear Shape, Opaque

1.62ct Multicolor Opal Doublet, Pear Shape, Opaque

11.9 x 8.4 mm

$ 48.12

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0.44ct Multicolor Chocolate Opal, Oval, Translucent

0.44ct Multicolor Chocolate Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 14.46

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33.48ct Multicolor Opal, Oval, Opaque

33.48ct Multicolor Opal, Oval, Opaque

36.9 x 20.1 mm

$ 100.04

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1.22ct Multicolor Chocolate Opal, Oval, Opaque

1.22ct Multicolor Chocolate Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.45

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33.43ct Multicolor Opal, Pear Shape, Opaque

33.43ct Multicolor Opal, Pear Shape, Opaque

32.8 x 25.6 mm

$ 99.89

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4.67ct Multicolor Black Opal, Oval, Opaque

4.67ct Multicolor Black Opal, Oval, Opaque

13.9 x 11.2 mm

$ 136.05

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2.41ct Yellow Cat'S Eye Opal, Oval, Opaque

2.41ct Yellow Cat'S Eye Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 7.20

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3.00ct Multicolor Opal, Trillion, Translucent

3.00ct Multicolor Opal, Trillion, Translucent

12 x 11 mm

$ 66.28

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1.42ct Multicolor Opal, Oval, Translucent

1.42ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 65.34

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1.92ct Multicolor Opal, Oval, Translucent

1.92ct Multicolor Opal, Oval, Translucent

10.5 x 7.3 mm

$ 48.44

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1.54ct Multicolor Opal, Oval, Opaque

1.54ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 46.02

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39.95ct Multicolor Boulder Opal, Sphere / Ball, Opaque
Boulder Opal Product Video (469563)

39.95ct Multicolor Boulder Opal, Sphere / Ball, Opaque

17.6 mm

$ 198.95

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0.71ct Brown Chocolate Opal, Oval, Opaque

0.71ct Brown Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 21.21

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64.32ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718607)

64.32ct Multicolor Boulder Opal, Fancy, Opaque

42.5 x 26.1 mm

$ 320.31

View Gem

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

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
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

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
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
→ View All GemSelect Reviews on Bizrate
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