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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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20.55ct Multicolor Boulder Opal, Pear Shape, Opaque

31.9 x 16.1 mm

$ 112.58

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1.43ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 39.17

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0.87ct Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 18.02

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48.08ct Multicolor Opal, Pear Shape, Opaque

40.1 x 27.1 mm

$ 143.66

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35.99ct Multicolor Boulder Opal, Fancy, Opaque

45 x 23.8 mm

$ 107.53

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30.94ct Multicolor Boulder Opal, Fancy, Opaque

25.4 x 20.1 mm

$ 169.49

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0.64ct Multicolor Chocolate Opal, Round, Translucent

6 mm (calibrated)

$ 17.53

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37.98ct Multicolor Opal, Pear Shape, Opaque

30 x 22 mm (calibrated)

$ 94.57

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7.14ct Multicolor Black Opal, Oval, Translucent

19.9 x 12.1 mm

$ 177.79

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33.71ct Multicolor Boulder Opal, Fancy, Opaque

32.6 x 22.1 mm

$ 184.67

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21.16ct Multicolor Boulder Opal, Fancy, Opaque

25.6 x 16.9 mm

$ 105.38

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1.90ct Multicolor Chocolate Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 62.45

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1.25ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 25.11

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0.84ct Multicolor Chocolate Opal, Round, Translucent

8 mm (calibrated)

$ 27.61

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3.78ct Multicolor Opal, Pear Shape, Translucent

13.6 x 10 mm

$ 82.83

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1.09ct Multicolor Opal, Marquise, Transparent

13.8 x 5.6 mm

$ 48.85

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1.89ct Multicolor Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 47.06

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2.74ct Multicolor Opal, Pear Shape, Translucent

12 x 9.1 mm

$ 57.31

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0.32ct Multicolor Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 7.40

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1.85ct Multicolor Opal Doublet, Pear Shape, Opaque

14.7 x 7.5 mm

$ 40.54

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1.70ct Multicolor Opal, Emerald Cut, Translucent

11.2 x 7.6 mm

$ 35.74

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3.04ctw Multicolor Opal, Round, Transparent

6.5 mm (calibrated)

$ 70.97

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1.26ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 30.37

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4.55ct Multicolor Black Opal, Round, Opaque

12 mm (calibrated)

$ 135.95

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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

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
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Overall Rating -> 7 star ratings

easy interface for a pricless buy

Posted By Zeak in May, 2026
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Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
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Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate
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