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Home Gemstones Opal

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 Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
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9.50ct Multicolor Black Opal, Pear Shape, Opaque

23.1 x 14.9 mm

$ 475.00

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2.30ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 47.95

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3.93ct Multicolor Opal, Oval, Translucent

17.3 x 10.8 mm

$ 97.86

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13.60ct Multicolor Boulder Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 94.82

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7.53ct Multicolor Opal, Oval, Transparent

18.3 x 14.1 mm

$ 187.50

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21.28ct Multicolor Boulder Opal, Fancy, Opaque

22.6 x 21.3 mm

$ 105.97

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1.82ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 59.82

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17.98ct Multicolor Boulder Opal, Oval, Opaque

25 x 16.9 mm

$ 74.62

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0.52ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 15.54

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0.78ct Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 19.42

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0.97ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 28.98

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6.20ct Green Opal, Oval, Opaque

14.7 x 11.6 mm

$ 13.28

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1.81ctw Multicolor Opal, Round, Transparent

5 mm (calibrated)

$ 42.26

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11.19ct Multicolor Boulder Opal, Fancy, Opaque

18.2 x 14.8 mm

$ 55.73

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29.81ct Multicolor Opal, Round, Opaque

26 mm

$ 89.08

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6.14ct Yellow Cat'S Eye Opal, Oval, Translucent

15 x 10 mm (calibrated)

$ 20.18

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5.49ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 153.10

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19.28ct Multicolor Fire Opal, Pear Shape, Opaque

18 x 16.4 mm

$ 96.40

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0.44ct Multicolor Chocolate Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 14.46

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0.73ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 18.18

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0.67ct Multicolor Opal, Oval, Opaque

7.1 x 5.5 mm

$ 20.02

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17.25ct Multicolor Black Opal, Oval, Opaque

23.3 x 18 mm

$ 515.43

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23.45ct Multicolor Boulder Opal, Fancy, Opaque

21.7 x 17.9 mm

$ 116.78

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0.96ct Multicolor Opal, Pear Shape, Transparent

9.8 x 6.7 mm

$ 24.00

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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 -> 9 star ratings

It was great!

Posted By Annie in September, 2025
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 -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate
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