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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
1.51ct Multicolor Opal, Oval, Transparent

1.51ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 58.50

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0.84ct Multicolor Chocolate Opal, Oval, Opaque

0.84ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 25.10

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23.34ct Multicolor Boulder Opal, Oval, Opaque

23.34ct Multicolor Boulder Opal, Oval, Opaque

20.8 x 14 mm

$ 179.00

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7.51ct Multicolor Black Opal, Pear Shape, Opaque

7.51ct Multicolor Black Opal, Pear Shape, Opaque

17 x 12.7 mm

$ 224.40

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0.45ct Multicolor Opal, Oval, Opaque

0.45ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 13.45

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0.80ct Multicolor Chocolate Opal, Oval, Opaque

0.80ct Multicolor Chocolate Opal, Oval, Opaque

8.6 x 5.9 mm

$ 23.90

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1.22ct Multicolor Black Opal, Oval, Translucent

1.22ct Multicolor Black Opal, Oval, Translucent

9.4 x 7.3 mm

$ 30.38

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0.64ct Multicolor Chocolate Opal, Oval, Opaque

0.64ct Multicolor Chocolate Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 19.12

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1.69ct Multicolor Black Opal, Oval, Translucent

1.69ct Multicolor Black Opal, Oval, Translucent

10.5 x 8.2 mm

$ 42.08

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1.85ctw Multicolor Black Opal, Oval, Opaque

1.85ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.81

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1.12ct Multicolor Black Opal, Emerald Cut, Opaque

1.12ct Multicolor Black Opal, Emerald Cut, Opaque

9 x 7 mm (calibrated)

$ 32.54

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3.89ct Multicolor Opal, Oval, Transparent

3.89ct Multicolor Opal, Oval, Transparent

14.5 x 10.8 mm

$ 81.49

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0.95ct Multicolor Opal, Oval, Transparent

0.95ct Multicolor Opal, Oval, Transparent

9.3 x 6.7 mm

$ 23.66

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4.00ct Multicolor Black Opal, Cushion, Opaque

4.00ct Multicolor Black Opal, Cushion, Opaque

17.9 x 8.5 mm

$ 119.52

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0.53ct Multicolor Opal, Pear Shape, Transparent

0.53ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 13.20

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45.10ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718516)

45.10ct Multicolor Boulder Opal, Fancy, Opaque

41.1 x 26.7 mm

$ 224.60

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1.33ct Multicolor Opal, Pear Shape, Transparent

1.33ct Multicolor Opal, Pear Shape, Transparent

11 x 7.4 mm

$ 58.28

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0.76ct Multicolor Opal, Oval, Opaque

0.76ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 22.71

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0.69ct Multicolor Chocolate Opal, Oval, Opaque

0.69ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 20.62

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3.85ct Multicolor Black Opal, Marquise, Opaque

3.85ct Multicolor Black Opal, Marquise, Opaque

18 x 9 mm (calibrated)

$ 112.17

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1.18ctw Multicolor Opal, Oval, Opaque

1.18ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 38.79

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1.61ct Multicolor Black Opal, Oval, Opaque

1.61ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 66.82

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0.41ct Multicolor Opal, Pear Shape, Transparent

0.41ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 10.21

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5.74ct Multicolor Opal, Oval, Transparent

5.74ct Multicolor Opal, Oval, Transparent

14 x 11.5 mm

$ 142.93

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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

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate
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