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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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1.17ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 34.96

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6.07ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 186.21

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2.64ct Multicolor Opal, Oval, Transparent

12 x 10 mm (calibrated)

$ 65.74

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1.30ct Multicolor Opal, Fancy, Translucent

9.5 x 5.7 mm

$ 36.25

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0.98ct Multicolor Opal, Pear Shape, Translucent

9 x 6 mm (calibrated)

$ 24.50

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0.43ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 12.85

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1.36ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 30.12

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0.90ct Multicolor Opal, Fancy, Translucent

10 x 7 mm (calibrated)

$ 25.10

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63.70ct Multicolor Boulder Opal, Fancy, Opaque

29.5 x 29.3 mm

$ 317.23

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0.95ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 28.39

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1.35ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 40.34

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3.45ct Multicolor Opal, Oval, Transparent

14 x 9 mm (calibrated)

$ 86.74

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0.67ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 20.02

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1.60ct Multicolor Opal, Fancy, Translucent

10.5 x 6 mm

$ 44.62

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1.03ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 30.78

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5.82ct Multicolor Opal, Pear Shape, Translucent

19.2 x 11.4 mm

$ 144.92

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1.60ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 70.12

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1.72ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 51.39

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11.03ct Multicolor Boulder Opal, Pear Shape, Opaque

22.7 x 12.8 mm

$ 76.90

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1.37ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.02

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1.62ct Multicolor Opal, Oval, Opaque

9.1 x 5.1 mm

$ 53.24

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1.75ct Multicolor Black Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 44.87

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2.94ct Multicolor Opal, Oval, Transparent

14 x 10 mm (calibrated)

$ 73.94

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1.19ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.11

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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 neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate
Enlarged Gemstone Image