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
1.62ct Orange Fire Opal, Oval, Transparent

1.62ct Orange Fire Opal, Oval, Transparent

9 x 7.4 mm

$ 57.56

View Gem
0.48ct Multicolor Opal, Oval, Opaque

0.48ct Multicolor Opal, Oval, Opaque

7.3 x 4.9 mm

$ 13.15

View Gem
3.70ct Multicolor Boulder Opal, Fancy, Opaque

3.70ct Multicolor Boulder Opal, Fancy, Opaque

13.1 x 12.3 mm

$ 15.36

View Gem
0.75ctw Multicolor Opal, Oval, Opaque

0.75ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 22.41

View Gem
1.75ct White Opal, Oval, Transparent

1.75ct White Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 43.58

View Gem
4.79ctw Orange Opal, Oval, Transparent
Opal Product Video (368948)

4.79ctw Orange Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 142.38

View Gem
0.85ct Multicolor Opal, Oval, Opaque

0.85ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 25.40

View Gem
1.25ct Orange Fire Opal, Oval, Transparent
Fire Opal Product Video (673874)

1.25ct Orange Fire Opal, Oval, Transparent

9.4 x 6.8 mm

$ 43.58

View Gem
0.61ct Multicolor Opal, Oval, Opaque

0.61ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.23

View Gem
0.98ct Multicolor Opal, Oval, Opaque

0.98ct Multicolor Opal, Oval, Opaque

9 x 6.7 mm

$ 32.21

View Gem
1.40ct Multicolor Opal, Oval, Opaque

1.40ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 46.02

View Gem
33.48ct Multicolor Opal, Oval, Opaque

33.48ct Multicolor Opal, Oval, Opaque

36.9 x 20.1 mm

$ 100.04

View Gem
0.70ct Multicolor Opal, Fancy, Translucent

0.70ct Multicolor Opal, Fancy, Translucent

11.8 x 3.6 mm

$ 19.52

View Gem
3.93ct Multicolor Opal, Oval, Translucent

3.93ct Multicolor Opal, Oval, Translucent

17.3 x 10.8 mm

$ 97.86

View Gem
0.72ct Multicolor Opal, Marquise, Transparent

0.72ct Multicolor Opal, Marquise, Transparent

9.8 x 5 mm

$ 23.01

View Gem
18.83ct Multicolor Opal, Oval, Opaque
Opal Product Video (744018)

18.83ct Multicolor Opal, Oval, Opaque

22.7 x 15.5 mm

$ 937.73

View Gem
0.50ct Multicolor Chocolate Opal, Oval, Translucent

0.50ct Multicolor Chocolate Opal, Oval, Translucent

7.2 x 4.7 mm

$ 14.94

View Gem
1.54ctw Multicolor Opal, Oval, Opaque

1.54ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 46.02

View Gem
1.27ct Multicolor Opal, Marquise, Transparent

1.27ct Multicolor Opal, Marquise, Transparent

15 x 5.4 mm

$ 48.70

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

1.51ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 413.59

View Gem
0.85ct Multicolor Opal, Round, Translucent

0.85ct Multicolor Opal, Round, Translucent

6.5 mm (calibrated)

$ 21.26

View Gem
9.59ct Brown Cat'S Eye Opal, Oval, Translucent

9.59ct Brown Cat'S Eye Opal, Oval, Translucent

15.5 x 10.8 mm

$ 31.52

View Gem
18.09ct Green Opal, Oval, Opaque

18.09ct Green Opal, Oval, Opaque

22.3 x 17.6 mm

$ 38.74

View Gem
1.50ct Multicolor Black Opal, Oval, Opaque

1.50ct Multicolor Black Opal, Oval, Opaque

12 x 8 mm (calibrated)

$ 38.46

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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 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

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image