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.

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

2.54ct Multicolor Opal, Oval, Transparent

14 x 9 mm (calibrated)

$ 63.25

View Gem

0.99ct Multicolor Opal, Oval, Transparent

8.7 x 6.5 mm

$ 24.65

View Gem

0.94ct Multicolor Opal, Oval, Transparent

9.9 x 6.4 mm

$ 23.41

View Gem

34.61ct Multicolor Opal, Pear Shape, Opaque

33.4 x 24.3 mm

$ 103.42

View Gem

6.10ct Multicolor Boulder Opal, Fancy, Transparent

17 x 11.5 mm

$ 30.38

View Gem

1.49ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 44.52

View Gem

22.35ct Multicolor Boulder Opal, Fancy, Opaque

25.9 x 22 mm

$ 111.30

View Gem

1.37ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 40.94

View Gem

15.18ct Multicolor Boulder Opal, Fancy, Opaque

20.8 x 16.1 mm

$ 75.60

View Gem

1.17ct Multicolor Black Opal, Oval, Translucent

9.3 x 7.4 mm

$ 29.13

View Gem

5.12ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 157.07

View Gem

1.49ctw Multicolor Black Opal, Oval, Translucent

6.1 x 4.2 mm

$ 48.97

View Gem

8.42ct Multicolor Boulder Opal, Oval, Opaque

18.8 x 13.8 mm

$ 58.71

View Gem

1.00ct Multicolor Opal, Oval, Transparent

9.6 x 6.3 mm

$ 29.88

View Gem

9.65ct Multicolor Boulder Opal, Marquise, Opaque

25.3 x 10.3 mm

$ 67.28

View Gem

0.52ct White Opal, Oval, Transparent

7.2 x 5.3 mm

$ 12.95

View Gem

1.18ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 32.32

View Gem

0.83ct Multicolor Black Opal, Oval, Opaque

8.7 x 6.6 mm

$ 21.28

View Gem

1.09ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 32.57

View Gem

1.37ctw Orange Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 41.34

View Gem

0.92ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.49

View Gem

4.69ct Multicolor Opal, Oval, Transparent

14.3 x 10.5 mm

$ 117.91

View Gem

1.69ct Multicolor Opal, Pear Shape, Transparent

11 x 8.3 mm

$ 72.38

View Gem

20.25ct Multicolor Opal, Oval, Opaque

21.2 x 16.8 mm

$ 1,008.45

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

Good, hope gem quality is good and genuine

Posted By Varun in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
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
Enlarged Gemstone Image