90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
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 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
0.98ct Multicolor Opal, Marquise, Transparent

0.98ct Multicolor Opal, Marquise, Transparent

12.3 x 6.6 mm

$ 42.94

View Gem
0.57ct Multicolor Opal, Oval, Opaque

0.57ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.03

View Gem
1.85ctw Multicolor Black Opal, Oval, Opaque

1.85ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.81

View Gem
9.86ct Multicolor Boulder Opal, Oval, Opaque

9.86ct Multicolor Boulder Opal, Oval, Opaque

20.4 x 11.2 mm

$ 49.10

View Gem
1.08ct Multicolor Opal, Oval, Opaque

1.08ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 32.27

View Gem
1.29ct Multicolor Black Opal, Oval, Translucent

1.29ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 42.40

View Gem
4.86ct Yellow Cat'S Eye Opal, Oval, Opaque

4.86ct Yellow Cat'S Eye Opal, Oval, Opaque

13.7 x 11.3 mm

$ 14.53

View Gem
0.93ct Multicolor Opal, Oval, Opaque

0.93ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 27.79

View Gem
6.79ct Green Opal, Cushion, Opaque

6.79ct Green Opal, Cushion, Opaque

12.6 x 11.2 mm

$ 15.75

View Gem
8.64ct Multicolor Fire Opal, Pear Shape, Opaque

8.64ct Multicolor Fire Opal, Pear Shape, Opaque

19.6 x 12.6 mm

$ 43.20

View Gem
0.55ct Multicolor Opal, Oval, Opaque

0.55ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.43

View Gem
1.72ct Multicolor Opal, Oval, Transparent

1.72ct Multicolor Opal, Oval, Transparent

10.9 x 7.2 mm

$ 42.83

View Gem
0.45ct Multicolor Opal, Pear Shape, Transparent

0.45ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 11.21

View Gem
24.71ct Multicolor Boulder Opal, Oval, Opaque

24.71ct Multicolor Boulder Opal, Oval, Opaque

42.2 x 16.8 mm

$ 123.06

View Gem
40.81ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (718505)

40.81ct Multicolor Boulder Opal, Oval, Opaque

34.3 x 24.1 mm

$ 203.23

View Gem
2.60ct Multicolor Opal, Oval, Transparent

2.60ct Multicolor Opal, Oval, Transparent

11 x 8.4 mm

$ 65.39

View Gem
15.40ct Multicolor Opal, Pear Shape, Transparent

15.40ct Multicolor Opal, Pear Shape, Transparent

20 x 20 mm (calibrated)

$ 383.46

View Gem
21.92ct Green Opal, Oval, Opaque

21.92ct Green Opal, Oval, Opaque

21.8 x 17 mm

$ 50.85

View Gem
1.80ct Multicolor Opal, Marquise, Opaque

1.80ct Multicolor Opal, Marquise, Opaque

15.2 x 7.3 mm

$ 59.16

View Gem
32.18ct Multicolor Black Opal, Pear Shape, Opaque
Black Opal Product Video (755415)

32.18ct Multicolor Black Opal, Pear Shape, Opaque

39.7 x 15 mm

$ 1,609.00

View Gem
0.72ct Multicolor Opal, Pear Shape, Translucent

0.72ct Multicolor Opal, Pear Shape, Translucent

8 x 6 mm (calibrated)

$ 17.99

View Gem
2.37ct Multicolor Black Opal, Oval, Opaque

2.37ct Multicolor Black Opal, Oval, Opaque

13.2 x 9.6 mm

$ 69.05

View Gem
1.15ctw Multicolor Opal, Oval, Transparent

1.15ctw Multicolor Opal, Oval, Transparent

6 x 4 mm (calibrated)

$ 39.55

View Gem
0.67ct Orange Fire Opal, Oval, Translucent

0.67ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 18.36

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 -> 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

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
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 -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image