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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 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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1.97ct Multicolor Opal, Oval, Opaque

10 x 7 mm (calibrated)

$ 70.92

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6.90ct Multicolor Boulder Opal, Pear Shape, Opaque

19 x 8.7 mm

$ 57.96

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0.87ct Multicolor Opal, Pear Shape, Translucent

10 x 7 mm (calibrated)

$ 26.21

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0.68ct Multicolor Opal, Pear Shape, Transparent

8.1 x 5.2 mm

$ 20.40

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1.21ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 43.56

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3.43ctw Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 96.48

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18.75ct Warm Green Opal, Oval, Opaque

21.8 x 17.5 mm

$ 48.37

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1.50ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 495.00

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0.58ct Multicolor Opal, Oval, Opaque

7.9 x 5.8 mm

$ 20.88

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0.61ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 21.96

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4.97ct Multicolor Opal, Oval, Translucent

13 x 11 mm (calibrated)

$ 149.10

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1.49ctw Multicolor Black Opal, Oval, Translucent

6.1 x 4.2 mm

$ 59.00

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1.08ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 37.21

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0.95ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 285.00

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2.16ct Fire Orange Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 68.82

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9.41ct Multicolor Chocolate Opal, Oval, Transparent

16.5 x 14.2 mm

$ 282.30

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0.49ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.64

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5.12ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 189.24

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0.45ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.20

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7.03ct Golden-Brown Cat's Eye Opal, Oval, Translucent

15.3 x 9.3 mm

$ 27.84

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0.77ct Multicolor Opal, Oval, Opaque

7.3 x 5.3 mm

$ 27.72

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1.85ct Multicolor Opal, Marquise, Transparent/Translucent

14 x 7.2 mm

$ 84.36

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5.56ctw Multicolor Opal, Round, Transparent

8 mm (calibrated)

$ 205.50

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7.51ct Multicolor Black Opal, Pear Shape, Opaque

17 x 12.7 mm

$ 270.36

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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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate
Enlarged Gemstone Image