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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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6.38ct Yellow Cat'S Eye Opal, Oval, Opaque

14.3 x 10.9 mm

$ 19.07

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2.68ct Multicolor Opal Doublet, Oval, Opaque

14 x 10 mm (calibrated)

$ 79.61

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1.62ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 403.38

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6.73ct Multicolor Boulder Opal, Oval, Opaque

18.2 x 11.7 mm

$ 27.93

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1.51ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 37.60

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9.91ct Multicolor Boulder Opal, Fancy, Opaque

16.1 x 13.4 mm

$ 41.13

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1.17ct Multicolor Black Opal, Oval, Translucent

9.3 x 7.4 mm

$ 29.13

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18.75ct Green Opal, Oval, Opaque

21.8 x 17.5 mm

$ 40.15

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1.34ct Orange Fire Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 46.71

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0.64ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 19.12

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2.50ct Multicolor Opal, Pear Shape, Transparent

15.8 x 10.2 mm

$ 112.05

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2.23ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 97.72

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0.82ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 24.50

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1.15ct Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 28.24

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1.69ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 74.06

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1.10ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 27.01

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0.53ct Multicolor Opal, Round, Opaque

6 mm (calibrated)

$ 17.42

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0.56ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.73

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1.11ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 33.17

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33.43ct Multicolor Opal, Pear Shape, Opaque

32.8 x 25.6 mm

$ 99.89

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1.20ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 24.90

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0.82ct Multicolor Opal, Round, Opaque

6.5 mm (calibrated)

$ 26.95

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7.62ct Green Cat'S Eye Opal, Oval, Opaque

14 x 12 mm (calibrated)

$ 18.97

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1.35ct Multicolor Black Opal, Pear Shape, Opaque

10.5 x 7.6 mm

$ 39.22

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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

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Like the choices of loose stones, and the product quality.

Posted By Online Shopper in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
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