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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
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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1.96ctw Multicolor Opal, Round, Transparent

5 mm (calibrated)

$ 45.77

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1.85ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.81

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9.26ct Multicolor Boulder Opal, Fancy, Opaque

21.4 x 15.4 mm

$ 64.56

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1.03ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 30.78

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1.55ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 35.67

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16.01ct Multicolor Boulder Opal, Fancy, Opaque

30.6 x 12.4 mm

$ 87.71

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1.58ct Multicolor Opal, Pear Shape, Translucent

9.9 x 7.6 mm

$ 34.62

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23.34ct Multicolor Boulder Opal, Oval, Opaque

20.8 x 14 mm

$ 179.00

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0.66ct Multicolor Opal, Pear Shape, Transparent

8 x 5.4 mm

$ 16.43

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4.38ct Multicolor Opal, Oval, Translucent

15.2 x 11.2 mm

$ 109.06

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1.22ct Multicolor Opal, Oval, Transparent

8.7 x 6.7 mm

$ 30.19

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28.42ct Multicolor Opal, Oval, Opaque

28.9 x 20.2 mm

$ 84.92

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1.91ct Yellow Cat'S Eye Opal, Oval, Translucent

10.7 x 6.7 mm

$ 8.37

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7.29ct Green Opal, Oval, Opaque

18.4 x 12.2 mm

$ 15.60

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4.51ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 131.39

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1.13ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 33.76

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0.54ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.14

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1.58ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 47.21

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1.54ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 46.02

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2.74ct Multicolor Black Opal, Oval, Transparent

11.7 x 8.8 mm

$ 90.97

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1.80ct Multicolor Opal, Marquise, Opaque

15.2 x 7.3 mm

$ 59.16

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18.42ct Multicolor Boulder Opal, Fancy, Opaque

22.4 x 14.5 mm

$ 91.73

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11.73ct Multicolor Boulder Opal, Round, Translucent

19 mm (calibrated)

$ 81.78

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1.09ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 32.57

View Gem

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

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

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
Source: Bizrate
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