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
0.44ct Multicolor Opal, Oval, Transparent

0.44ct Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 10.96

View Gem
86.87ct Multicolor Opal, Oval, Transparent
Opal Product Video (746924)

86.87ct Multicolor Opal, Oval, Transparent

39.8 x 33.9 mm

$ 5,047.15

View Gem
11.09ct Multicolor Boulder Opal, Trillion, Translucent

11.09ct Multicolor Boulder Opal, Trillion, Translucent

20.3 x 16.2 mm

$ 46.02

View Gem
25.05ct Multicolor Opal, Oval, Opaque

25.05ct Multicolor Opal, Oval, Opaque

31.7 x 16.5 mm

$ 74.85

View Gem
1.54ctw Multicolor Black Opal, Oval, Translucent

1.54ctw Multicolor Black Opal, Oval, Translucent

6.2 x 4.4 mm

$ 46.02

View Gem
18.63ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (628388)

18.63ct Multicolor Boulder Opal, Fancy, Opaque

19.6 x 17.5 mm

$ 92.78

View Gem
4.44ct Multicolor Opal, Oval, Transparent

4.44ct Multicolor Opal, Oval, Transparent

15.7 x 10.8 mm

$ 111.62

View Gem
1.80ct Multicolor Opal, Marquise, Opaque

1.80ct Multicolor Opal, Marquise, Opaque

15.2 x 7.3 mm

$ 59.16

View Gem
1.64ctw Multicolor Opal, Oval, Transparent
Opal Product Video (548528)

1.64ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 449.20

View Gem
0.59ct Multicolor Opal, Oval, Opaque

0.59ct Multicolor Opal, Oval, Opaque

7 x 5.2 mm

$ 17.63

View Gem
13.46ct Multicolor Boulder Opal, Cushion, Opaque

13.46ct Multicolor Boulder Opal, Cushion, Opaque

14.7 x 12.1 mm

$ 73.74

View Gem
1.51ct Multicolor Opal, Pear Shape, Translucent

1.51ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 36.40

View Gem
1.61ct Multicolor Black Opal, Oval, Opaque

1.61ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 66.82

View Gem
0.46ct Multicolor Opal, Oval, Opaque

0.46ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 13.74

View Gem
1.49ctw Orange Fire Opal, Oval, Transparent

1.49ctw Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 32.65

View Gem
7.95ct Multicolor Boulder Opal, Oval, Opaque

7.95ct Multicolor Boulder Opal, Oval, Opaque

18.3 x 9.9 mm

$ 55.43

View Gem
33.35ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718604)

33.35ct Multicolor Boulder Opal, Fancy, Opaque

46.8 x 19.5 mm

$ 166.08

View Gem
0.93ctw Multicolor Opal, Oval, Opaque

0.93ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 30.57

View Gem
3.48ct Multicolor Opal, Oval, Transparent

3.48ct Multicolor Opal, Oval, Transparent

13.3 x 10.3 mm

$ 87.49

View Gem
2.30ct Multicolor Black Opal, Oval, Translucent

2.30ct Multicolor Black Opal, Oval, Translucent

11.6 x 8.9 mm

$ 57.27

View Gem
1.32ct Multicolor Opal, Oval, Opaque

1.32ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 39.44

View Gem
0.67ct Orange Fire Opal, Oval, Transparent

0.67ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 11.01

View Gem
1.06ct Multicolor Opal, Oval, Opaque

1.06ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 31.67

View Gem
13.99ct Multicolor Boulder Opal, Fancy, Opaque

13.99ct Multicolor Boulder Opal, Fancy, Opaque

20.7 x 12.6 mm

$ 69.67

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 -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
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

Easy and functional

Posted By Dessa in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
Enlarged Gemstone Image