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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
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1.37ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 375.24

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0.95ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 28.39

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1.00ct Multicolor Black Opal, Square, Opaque

6.6 x 6.5 mm

$ 25.64

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5.56ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 10 mm

$ 23.07

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1.44ct Multicolor Opal, Pear Shape, Transparent

11.3 x 8.3 mm

$ 67.84

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22.31ct Multicolor Opal, Oval, Opaque

28.9 x 13.8 mm

$ 66.67

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0.86ct Multicolor Opal, Oval, Opaque

7.7 x 5.9 mm

$ 25.70

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33.93ct Multicolor Boulder Opal, Trillion, Opaque

26.7 x 21.3 mm

$ 223.57

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1.83ctw Multicolor Opal, Oval, Translucent

7 x 5 mm (calibrated)

$ 80.19

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1.76ct White Opal, Oval, Transparent

12.3 x 8.7 mm

$ 43.82

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1.36ctw Multicolor Opal, Oval, Opaque

7.2 x 5.3 mm

$ 40.64

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0.34ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 10.16

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22.34ct Green Opal, Pear Shape, Opaque

27.1 x 18.5 mm

$ 47.84

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9.19ct Multicolor Opal, Pear Shape, Transparent

20.8 x 12.1 mm

$ 457.66

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1.38ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 41.23

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1.93ctw Multicolor Opal, Round, Translucent

6 mm (calibrated)

$ 74.01

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14.46ct Multicolor Boulder Opal, Pear Shape, Opaque

23.6 x 13 mm

$ 79.22

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2.25ct Multicolor Opal, Fancy, Translucent

9.9 x 8.9 mm

$ 62.75

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1.39ctw Multicolor Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 346.11

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0.42ct Multicolor Opal, Oval, Opaque

7.1 x 5.2 mm

$ 12.55

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10.92ct Multicolor Boulder Opal, Fancy, Opaque

22.6 x 12.9 mm

$ 54.38

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1.10ct Multicolor Opal, Pear Shape, Transparent

11.1 x 6.6 mm

$ 27.39

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1.72ct Multicolor Opal, Oval, Transparent

10.5 x 8.1 mm

$ 42.83

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1.15ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.80

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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

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
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

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
Enlarged Gemstone Image