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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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3.94ct Yellow Cat'S Eye Opal, Oval, Translucent

12 x 10 mm (calibrated)

$ 11.77

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0.95ct Multicolor Opal, Oval, Transparent

8.8 x 6.7 mm

$ 29.88

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3.28ct Multicolor Opal, Oval, Transparent

13.2 x 9.7 mm

$ 81.67

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1.84ct Multicolor Opal, Fancy, Translucent

11.1 x 6.8 mm

$ 51.31

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1.28ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 42.07

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11.65ct Multicolor Boulder Opal, Round, Opaque

17 mm (calibrated)

$ 81.22

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18.73ct Multicolor Boulder Opal, Fancy, Opaque

23.5 x 20.1 mm

$ 102.60

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2.42ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 72.31

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1.38ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 41.23

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15.40ct Multicolor Opal, Pear Shape, Transparent

20 x 20 mm (calibrated)

$ 383.46

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0.85ct Multicolor Black Opal, Pear Shape, Translucent

8 x 6 mm (calibrated)

$ 23.29

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1.61ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 48.11

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0.60ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.93

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1.47ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 48.31

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0.37ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 11.06

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0.67ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 20.02

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1.01ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.20

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0.89ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 26.59

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4.62ct Multicolor Boulder Opal, Oval, Opaque

14 x 9 mm (calibrated)

$ 19.17

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0.78ct Multicolor Opal, Fancy, Translucent

8.9 x 7.5 mm

$ 21.75

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11.81ct Green Opal, Oval, Opaque

17.9 x 13.7 mm

$ 25.29

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21.61ct Multicolor Opal, Oval, Opaque

7 x 17.3 mm

$ 64.57

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1.76ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 36.81

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18.75ct Green Opal, Oval, Opaque

21.8 x 17.5 mm

$ 40.15

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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

Very pleasant

Posted By Varun in June, 2026
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Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
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Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
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Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
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Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
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