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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
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
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.19ct Multicolor Opal, Trillion, Opaque

1.19ct Multicolor Opal, Trillion, Opaque

8.5 x 8.1 mm

$ 47.12

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7.69ct Multicolor Boulder Opal, Oval, Opaque

7.69ct Multicolor Boulder Opal, Oval, Opaque

16 x 12 mm (calibrated)

$ 64.60

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0.42ct Multicolor Opal, Oval, Opaque

0.42ct Multicolor Opal, Oval, Opaque

7.1 x 5.2 mm

$ 15.12

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1.94ct Multicolor Opal, Oval, Opaque

1.94ct Multicolor Opal, Oval, Opaque

10.6 x 7.9 mm

$ 69.84

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1.63ct Multicolor Opal, Fancy, Translucent

1.63ct Multicolor Opal, Fancy, Translucent

10 x 7 mm (calibrated)

$ 54.77

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18.90ct Medium Green Opal, Oval, Opaque

18.90ct Medium Green Opal, Oval, Opaque

18.9 x 15.8 mm

$ 48.77

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17.61ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (628052)

17.61ct Multicolor Boulder Opal, Fancy, Opaque

22.8 x 17.7 mm

$ 105.66

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1.95ct Multicolor Opal, Oval, Opaque

1.95ct Multicolor Opal, Oval, Opaque

11.9 x 7.5 mm

$ 70.20

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0.47ct Multicolor Opal, Oval, Opaque

0.47ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.92

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1.23ct Multicolor Black Opal, Oval, Transparent

1.23ct Multicolor Black Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 49.20

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14.17ct Light Green Opal, Oval, Opaque

14.17ct Light Green Opal, Oval, Opaque

17.2 x 13.9 mm

$ 36.56

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3.41ct Multicolor Black Opal, Oval, Opaque

3.41ct Multicolor Black Opal, Oval, Opaque

15.1 x 10.7 mm

$ 119.69

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2.17ctw Multicolor Opal, Oval, Opaque

2.17ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 85.93

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5.28ct Multicolor Boulder Opal, Trillion, Translucent
Boulder Opal Product Video (630675)

5.28ct Multicolor Boulder Opal, Trillion, Translucent

17.3 x 15.9 mm

$ 44.35

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1.50ctw Multicolor Opal, Oval, Opaque

1.50ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 54.00

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0.87ctw Multicolor Opal, Oval, Opaque

0.87ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 31.32

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1.62ctw Multicolor Opal, Oval, Transparent

1.62ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 40.16

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1.36ctw Multicolor Opal, Oval, Opaque

1.36ctw Multicolor Opal, Oval, Opaque

7.2 x 5.3 mm

$ 48.96

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1.16ct Multicolor Opal, Oval, Opaque

1.16ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 41.76

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0.87ct Multicolor Opal, Oval, Opaque

0.87ct Multicolor Opal, Oval, Opaque

9 x 6 mm (calibrated)

$ 31.32

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1.55ct Multicolor Opal, Pear Shape, Translucent

1.55ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 45.01

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18.93ct Rich Yellow Cat's Eye Opal, Oval, Opaque

18.93ct Rich Yellow Cat's Eye Opal, Oval, Opaque

19.8 x 16 mm

$ 68.15

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7.49ct Earth Green Cat's Eye Opal, Oval, Opaque

7.49ct Earth Green Cat's Eye Opal, Oval, Opaque

14.8 x 13.1 mm

$ 22.48

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34.72ct Yellowish Green Cat's Eye Opal, Oval, Opaque

34.72ct Yellowish Green Cat's Eye Opal, Oval, Opaque

24 x 20 mm

$ 104.16

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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

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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