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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
3.33ct Multicolor Opal, Oval, Transparent

3.33ct Multicolor Opal, Oval, Transparent

14.2 x 9.6 mm

$ 82.92

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1.19ct Multicolor Black Opal, Oval, Translucent

1.19ct Multicolor Black Opal, Oval, Translucent

9.8 x 7.6 mm

$ 29.63

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8.74ct Multicolor Black Opal, Oval, Opaque

8.74ct Multicolor Black Opal, Oval, Opaque

19.6 x 12 mm

$ 261.15

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3.40ct Multicolor Opal, Oval, Transparent

3.40ct Multicolor Opal, Oval, Transparent

16.5 x 10.8 mm

$ 152.39

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31.20ct Multicolor Boulder Opal, Pear Shape, Opaque
Boulder Opal Product Video (321927)

31.20ct Multicolor Boulder Opal, Pear Shape, Opaque

29.5 x 20.6 mm

$ 239.28

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13.99ct Multicolor Boulder Opal, Trillion, Opaque
Boulder Opal Product Video (744792)

13.99ct Multicolor Boulder Opal, Trillion, Opaque

20.3 x 17.8 mm

$ 58.06

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1.04ctw Multicolor Opal, Oval, Opaque

1.04ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 34.18

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1.24ct Multicolor Opal, Oval, Opaque

1.24ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.05

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9.35ct Multicolor Boulder Opal, Fancy, Opaque

9.35ct Multicolor Boulder Opal, Fancy, Opaque

17.6 x 14.2 mm

$ 46.56

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1.52ct Multicolor Opal, Oval, Transparent

1.52ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 38.35

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2.35ct Multicolor Opal, Fancy, Translucent

2.35ct Multicolor Opal, Fancy, Translucent

12 x 8 mm (calibrated)

$ 65.54

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2.00ct Multicolor Black Opal, Sphere / Ball, Opaque

2.00ct Multicolor Black Opal, Sphere / Ball, Opaque

7.5 mm

$ 59.76

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1.25ct Multicolor Opal, Oval, Translucent

1.25ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 54.78

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11.20ct Multicolor Black Opal, Pear Shape, Opaque

11.20ct Multicolor Black Opal, Pear Shape, Opaque

22.3 x 13.7 mm

$ 464.80

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2.60ct Multicolor Opal, Oval, Translucent

2.60ct Multicolor Opal, Oval, Translucent

12.7 x 9.6 mm

$ 54.49

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6.92ct Multicolor Black Opal, Trillion, Opaque
Black Opal Product Video (744007)

6.92ct Multicolor Black Opal, Trillion, Opaque

18 x 13 mm (calibrated)

$ 287.18

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11.23ct Multicolor Boulder Opal, Fancy, Opaque

11.23ct Multicolor Boulder Opal, Fancy, Opaque

18.3 x 12.2 mm

$ 55.93

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1.00ct Multicolor Opal, Oval, Transparent

1.00ct Multicolor Opal, Oval, Transparent

9.6 x 6.3 mm

$ 29.88

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1.61ct Multicolor Opal, Oval, Opaque

1.61ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 48.11

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16.75ct Multicolor Boulder Opal, Fancy, Opaque

16.75ct Multicolor Boulder Opal, Fancy, Opaque

26.6 x 15.3 mm

$ 83.42

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1.48ct Multicolor Opal, Oval, Translucent

1.48ct Multicolor Opal, Oval, Translucent

9.6 x 7.7 mm

$ 36.85

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1.86ct Multicolor Opal, Pear Shape, Transparent

1.86ct Multicolor Opal, Pear Shape, Transparent

11 x 7.8 mm

$ 64.84

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4.51ct Multicolor Black Opal, Oval, Opaque

4.51ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 131.39

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1.35ct Multicolor Opal, Marquise, Transparent

1.35ct Multicolor Opal, Marquise, Transparent

16.1 x 5.8 mm

$ 60.51

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

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate
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