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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

Black Opal
White Opal
Boulder Opal
Chocolate Opal
Fire Opal
Opal Doublet
Yellow Opal
Matrix Opal
Round Opal Gems
1-2 Carat Opal
2-5 Carat Opal
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
Clear All
32.39ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (302922)

32.39ct Multicolor Boulder Opal, Oval, Opaque

33.7 x 15 mm

$ 248.40

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0.84ct Multicolor Chocolate Opal, Oval, Opaque

0.84ct Multicolor Chocolate Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 25.10

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2.67ct Multicolor Opal, Cushion, Transparent
Opal Product Video (691769)

2.67ct Multicolor Opal, Cushion, Transparent

15.6 x 9.4 mm

$ 119.67

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1.82ct Multicolor Opal, Fancy, Translucent

1.82ct Multicolor Opal, Fancy, Translucent

11.8 x 8.7 mm

$ 50.75

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11.76ct Multicolor Black Opal, Pear Shape, Opaque
Black Opal Product Video (748546)

11.76ct Multicolor Black Opal, Pear Shape, Opaque

22.5 x 15 mm

$ 488.04

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1.70ct Multicolor Opal, Oval, Transparent

1.70ct Multicolor Opal, Oval, Transparent

11.1 x 8.3 mm

$ 42.33

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2.75ct Multicolor Black Opal, Oval, Translucent

2.75ct Multicolor Black Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 68.48

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11.36ctw Multicolor Opal, Round, Transparent
Opal Product Video (466391)

11.36ctw Multicolor Opal, Round, Transparent

8.5 mm (calibrated)

$ 348.49

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1.22ct Multicolor Opal, Oval, Transparent

1.22ct Multicolor Opal, Oval, Transparent

9.5 x 7.1 mm

$ 30.38

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0.78ct Multicolor Opal, Oval, Opaque

0.78ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 23.31

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0.89ct Multicolor Black Opal, Emerald Cut, Opaque

0.89ct Multicolor Black Opal, Emerald Cut, Opaque

9 x 6 mm (calibrated)

$ 22.82

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1.37ct Multicolor Opal, Oval, Opaque

1.37ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 40.94

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1.96ctw Multicolor Opal, Round, Transparent

1.96ctw Multicolor Opal, Round, Transparent

5 mm (calibrated)

$ 45.77

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1.89ct Multicolor Opal, Oval, Opaque

1.89ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 56.47

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0.61ct Multicolor Opal, Oval, Opaque

0.61ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.23

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1.03ct Multicolor Opal, Round, Translucent

1.03ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 24.05

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1.56ct Multicolor Opal, Marquise, Transparent

1.56ct Multicolor Opal, Marquise, Transparent

16.4 x 6.5 mm

$ 69.92

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1.21ct Multicolor Opal, Pear Shape, Transparent

1.21ct Multicolor Opal, Pear Shape, Transparent

10 x 8 mm (calibrated)

$ 29.17

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1.66ct Multicolor Black Opal, Oval, Translucent

1.66ct Multicolor Black Opal, Oval, Translucent

10.7 x 8.4 mm

$ 41.33

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12.87ct Multicolor Boulder Opal, Oval, Opaque

12.87ct Multicolor Boulder Opal, Oval, Opaque

21 x 10 mm

$ 84.60

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1.54ct Multicolor Opal, Oval, Translucent

1.54ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 67.49

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0.71ct Multicolor Chocolate Opal, Oval, Translucent

0.71ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 23.34

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0.74ct Multicolor Opal, Oval, Translucent

0.74ct Multicolor Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 24.32

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9.45ct Multicolor Boulder Opal, Fancy, Opaque

9.45ct Multicolor Boulder Opal, Fancy, Opaque

23.9 x 9.5 mm

$ 47.06

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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 -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.

Posted By CLTCJH in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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