X
Gemstone Search
90,000+ Happy Customers
20+ Years In Business
Call Us Mon–Fri 8am–5pm

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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
1.00ct Multicolor Black Opal, Marquise, Translucent

1.00ct Multicolor Black Opal, Marquise, Translucent

12 x 5.6 mm

$ 25.27

View Gem
1.93ct Multicolor Opal, Oval, Opaque

1.93ct Multicolor Opal, Oval, Opaque

13 x 9 mm (calibrated)

$ 48.70

View Gem
0.93ctw Multicolor Opal, Oval, Opaque

0.93ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 30.57

View Gem
0.83ct Multicolor Opal, Oval, Opaque

0.83ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 24.80

View Gem
14.45ct Multicolor Boulder Opal, Oval, Opaque

14.45ct Multicolor Boulder Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 71.96

View Gem
1.56ct Multicolor Opal, Pear Shape, Transparent

1.56ct Multicolor Opal, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 68.37

View Gem
1.48ct Multicolor Opal, Oval, Opaque

1.48ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 48.65

View Gem
1.23ct Multicolor Opal, Oval, Opaque

1.23ct Multicolor Opal, Oval, Opaque

8.5 x 6.5 mm

$ 33.70

View Gem
1.08ct Multicolor Opal, Oval, Transparent
Opal Product Video (548051)

1.08ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 268.92

View Gem
18.42ct Multicolor Boulder Opal, Fancy, Opaque

18.42ct Multicolor Boulder Opal, Fancy, Opaque

22.4 x 14.5 mm

$ 91.73

View Gem
1.02ct Multicolor Opal, Marquise, Transparent

1.02ct Multicolor Opal, Marquise, Transparent

13.2 x 5.4 mm

$ 45.72

View Gem
3.98ctw Multicolor Opal, Square, Transparent

3.98ctw Multicolor Opal, Square, Transparent

4.3 x 4.1 mm

$ 28.25

View Gem
8.56ct Multicolor Chocolate Opal, Pear Shape, Transparent

8.56ct Multicolor Chocolate Opal, Pear Shape, Transparent

25.3 x 11.9 mm

$ 213.14

View Gem
2.04ct Multicolor Black Opal, Oval, Translucent

2.04ct Multicolor Black Opal, Oval, Translucent

12.6 x 8.6 mm

$ 50.80

View Gem
1.33ct Multicolor Opal, Oval, Transparent

1.33ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 51.53

View Gem
0.91ct Multicolor Opal, Oval, Opaque

0.91ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.19

View Gem
0.64ct Multicolor Opal, Oval, Opaque

0.64ct Multicolor Opal, Oval, Opaque

7.6 x 5.6 mm

$ 19.12

View Gem
1.34ct Multicolor Black Opal, Oval, Translucent

1.34ct Multicolor Black Opal, Oval, Translucent

9.7 x 7.4 mm

$ 33.37

View Gem
0.56ct Multicolor Black Opal, Marquise, Translucent

0.56ct Multicolor Black Opal, Marquise, Translucent

10 x 5 mm (calibrated)

$ 14.15

View Gem
3.69ct Multicolor Opal, Pear Shape, Translucent

3.69ct Multicolor Opal, Pear Shape, Translucent

12 x 12 mm (calibrated)

$ 91.88

View Gem
1.59ct Multicolor Opal, Oval, Opaque

1.59ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 47.51

View Gem
1.11ct Multicolor Opal, Fancy, Translucent

1.11ct Multicolor Opal, Fancy, Translucent

13 x 7.6 mm

$ 30.96

View Gem
5.56ct Multicolor Boulder Opal, Fancy, Opaque

5.56ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 10 mm

$ 23.07

View Gem
2.29ct Multicolor Black Opal, Oval, Opaque

2.29ct Multicolor Black Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 76.03

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

This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

Posted By PickyShopper in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 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

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image