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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
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 Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.88ct Multicolor Opal, Oval, Transparent

1.88ct Multicolor Opal, Oval, Transparent

11.4 x 8.3 mm

$ 99.26

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1.08ct Multicolor Opal, Oval, Translucent

1.08ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 37.21

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1.38ct Multicolor Black Opal, Pear Shape, Opaque

1.38ct Multicolor Black Opal, Pear Shape, Opaque

11.4 x 7.7 mm

$ 48.30

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4.03ct Medium Golden Cat's Eye Opal, Oval, Opaque

4.03ct Medium Golden Cat's Eye Opal, Oval, Opaque

13 x 9 mm (calibrated)

$ 14.51

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1.14ct Multicolor Opal, Oval, Translucent

1.14ct Multicolor Opal, Oval, Translucent

9.5 x 7 mm

$ 60.19

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1.13ct Multicolor Black Opal, Pear Shape, Opaque

1.13ct Multicolor Black Opal, Pear Shape, Opaque

10 x 8 mm (calibrated)

$ 39.55

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2.17ct Bluish White Opal, Oval, Transparent

2.17ct Bluish White Opal, Oval, Transparent

10.6 x 8 mm

$ 54.25

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37.03ct Warm Green Opal, Pear Shape, Opaque

37.03ct Warm Green Opal, Pear Shape, Opaque

27.9 x 22.1 mm

$ 95.53

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1.82ct Multicolor Opal, Fancy, Translucent

1.82ct Multicolor Opal, Fancy, Translucent

11.8 x 8.7 mm

$ 61.15

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7.29ct Medium Green Opal, Oval, Opaque

7.29ct Medium Green Opal, Oval, Opaque

18.4 x 12.2 mm

$ 18.80

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1.32ct Multicolor Black Opal, Oval, Translucent

1.32ct Multicolor Black Opal, Oval, Translucent

11 x 7.2 mm

$ 38.66

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4.45ct Multicolor Opal, Oval, Transparent

4.45ct Multicolor Opal, Oval, Transparent

14.4 x 11.1 mm

$ 133.50

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8.62ct Medium Green Opal, Pear Shape, Opaque

8.62ct Medium Green Opal, Pear Shape, Opaque

20 x 15 mm (calibrated)

$ 22.24

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2.42ct Multicolor Opal, Oval, Opaque

2.42ct Multicolor Opal, Oval, Opaque

11 x 8.6 mm

$ 87.12

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7.07ct Multicolor Opal, Pear Shape, Translucent

7.07ct Multicolor Opal, Pear Shape, Translucent

19.1 x 13.5 mm

$ 212.10

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0.69ct Medium Orange Fire Opal, Oval, Translucent

0.69ct Medium Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 18.98

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2.54ct Multicolor Opal, Oval, Transparent

2.54ct Multicolor Opal, Oval, Transparent

14 x 9 mm (calibrated)

$ 76.20

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1.33ct Multicolor Black Opal, Oval, Opaque

1.33ct Multicolor Black Opal, Oval, Opaque

8.2 x 7 mm

$ 42.13

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4.86ct Golden-Brown Cat's Eye Opal, Oval, Opaque

4.86ct Golden-Brown Cat's Eye Opal, Oval, Opaque

13.7 x 11.3 mm

$ 17.50

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2.30ct Multicolor Opal, Oval, Opaque

2.30ct Multicolor Opal, Oval, Opaque

11.1 x 8.2 mm

$ 82.80

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0.70ct Reddish Orange Fire Opal, Oval, Transparent

0.70ct Reddish Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 16.63

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2.45ct Multicolor Black Opal, Pear Shape, Opaque
Black Opal Product Video (744101)

2.45ct Multicolor Black Opal, Pear Shape, Opaque

16 x 8 mm (calibrated)

$ 122.50

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7.07ct Yellowish Green Cat's Eye Opal, Oval, Opaque

7.07ct Yellowish Green Cat's Eye Opal, Oval, Opaque

16 x 12 mm (calibrated)

$ 14.14

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1.65ct Multicolor Opal, Oval, Translucent

1.65ct Multicolor Opal, Oval, Translucent

10.3 x 7.4 mm

$ 50.15

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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

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate
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