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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
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5.41ct Multicolor Boulder Opal, Cushion, Opaque

5.41ct Multicolor Boulder Opal, Cushion, Opaque

14 x 10 mm (calibrated)

$ 32.46

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7.30ct Multicolor Boulder Opal, Pear Shape, Opaque

7.30ct Multicolor Boulder Opal, Pear Shape, Opaque

15 x 9.5 mm

$ 61.32

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0.75ct Multicolor Opal, Oval, Opaque

0.75ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.00

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1.14ct Multicolor Opal, Oval, Translucent

1.14ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.14

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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

$ 560.00

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1.51ct Multicolor Chocolate Opal, Oval, Translucent

1.51ct Multicolor Chocolate Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 59.80

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1.84ct Multicolor Opal, Oval, Translucent

1.84ct Multicolor Opal, Oval, Translucent

10.8 x 8.2 mm

$ 55.20

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0.63ct Multicolor Chocolate Opal, Oval, Opaque

0.63ct Multicolor Chocolate Opal, Oval, Opaque

7.2 x 5.3 mm

$ 22.68

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1.21ct Multicolor Opal, Oval, Transparent/Translucent

1.21ct Multicolor Opal, Oval, Transparent/Translucent

9.4 x 6.6 mm

$ 63.89

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5.62ctw Multicolor Opal, Square, Transparent

5.62ctw Multicolor Opal, Square, Transparent

4.7 x 4.6 mm

$ 48.07

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3.56ct Multicolor Black Opal, Oval, Opaque

3.56ct Multicolor Black Opal, Oval, Opaque

13.3 x 9.9 mm

$ 124.96

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1.34ctw Multicolor Opal, Round, Translucent

1.34ctw Multicolor Opal, Round, Translucent

6 mm (calibrated)

$ 61.91

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3.41ct Multicolor Black Opal, Oval, Opaque

3.41ct Multicolor Black Opal, Oval, Opaque

15.1 x 10.7 mm

$ 119.69

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1.07ctw Multicolor Opal, Oval, Transparent

1.07ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 321.00

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2.40ctw Multicolor Opal, Oval, Translucent

2.40ctw Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 82.68

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11.89ct Multicolor Boulder Opal, Fancy, Opaque

11.89ct Multicolor Boulder Opal, Fancy, Opaque

29.6 x 9.9 mm

$ 42.80

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1.37ct Multicolor Opal, Oval, Transparent

1.37ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 81.38

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1.14ct Multicolor Black Opal, Oval, Translucent

1.14ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.14

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1.09ctw Multicolor Opal, Oval, Opaque

1.09ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 43.16

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0.99ct Multicolor Opal, Emerald Cut, Transparent

0.99ct Multicolor Opal, Emerald Cut, Transparent

9.8 x 6 mm

$ 53.46

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1.58ctw Multicolor Opal, Oval, Opaque

1.58ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 47.40

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0.64ct Multicolor Opal, Round, Opaque

0.64ct Multicolor Opal, Round, Opaque

7 mm (calibrated)

$ 25.34

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0.86ct Multicolor Opal, Oval, Translucent

0.86ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.41

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1.43ct Multicolor Opal, Oval, Transparent

1.43ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 41.41

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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

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
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 love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate
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