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Home › Gemstones › Opal

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 Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
4.48ct Yellow Opal, Oval, Opaque

4.48ct Yellow Opal, Oval, Opaque

11.6 x 8.4 mm

$ 22.40

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0.82ct Multicolor Opal, Round, Opaque

0.82ct Multicolor Opal, Round, Opaque

7 mm (calibrated)

$ 26.95

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0.62ct Multicolor Opal, Oval, Opaque

0.62ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.53

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12.72ct Multicolor Boulder Opal, Cushion, Opaque
Boulder Opal Product Video (628051)

12.72ct Multicolor Boulder Opal, Cushion, Opaque

24.2 x 9.7 mm

$ 63.35

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11.26ct Green Opal, Oval, Opaque

11.26ct Green Opal, Oval, Opaque

17.7 x 14.4 mm

$ 26.12

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1.30ct Multicolor Opal, Fancy, Translucent

1.30ct Multicolor Opal, Fancy, Translucent

9.5 x 5.7 mm

$ 36.25

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5.79ct Multicolor Boulder Opal, Fancy, Opaque

5.79ct Multicolor Boulder Opal, Fancy, Opaque

18.6 x 9 mm

$ 24.03

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1.76ctw Multicolor Opal, Oval, Opaque

1.76ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 57.85

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8.10ct Multicolor Black Opal, Oval, Opaque

8.10ct Multicolor Black Opal, Oval, Opaque

15.7 x 13 mm

$ 336.15

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10.04ct Multicolor Boulder Opal, Fancy, Opaque

10.04ct Multicolor Boulder Opal, Fancy, Opaque

15.2 x 12.1 mm

$ 77.00

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0.69ct Multicolor Opal, Oval, Opaque

0.69ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 20.62

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2.67ctw Multicolor Black Opal, Oval, Opaque

2.67ctw Multicolor Black Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 87.76

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12.06ct Green Opal, Oval, Opaque

12.06ct Green Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 27.98

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0.98ct Multicolor Opal, Oval, Translucent

0.98ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 24.24

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10.97ct Multicolor Boulder Opal, Cushion, Opaque

10.97ct Multicolor Boulder Opal, Cushion, Opaque

17 x 11.4 mm

$ 54.63

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58.43ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718563)

58.43ct Multicolor Boulder Opal, Fancy, Opaque

35.6 x 29.1 mm

$ 290.98

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1.16ct Multicolor Opal, Oval, Transparent

1.16ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 33.17

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1.46ct Multicolor Black Opal, Oval, Opaque

1.46ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 47.99

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8.30ct Multicolor Boulder Opal, Pear Shape, Opaque

8.30ct Multicolor Boulder Opal, Pear Shape, Opaque

19.3 x 11 mm

$ 63.65

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24.70ct Multicolor Opal, Pear Shape, Opaque

24.70ct Multicolor Opal, Pear Shape, Opaque

30 x 22 mm (calibrated)

$ 73.80

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1.25ct Multicolor Black Opal, Oval, Translucent

1.25ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 41.09

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7.13ct Multicolor Boulder Opal, Cushion, Transparent

7.13ct Multicolor Boulder Opal, Cushion, Transparent

13 x 13 mm (calibrated)

$ 85.31

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3.95ct Multicolor Opal, Pear Shape, Translucent

3.95ct Multicolor Opal, Pear Shape, Translucent

15.1 x 10.8 mm

$ 87.26

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5.32ctw Multicolor Opal, Round, Translucent

5.32ctw Multicolor Opal, Round, Translucent

6.5 mm (calibrated)

$ 163.20

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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 was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I do enjoy this website and the wide selection. I would like to see more untreated stones. I also wasn't able to see my past order when I logged in.

Posted By Great selection, ok website in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future

Posted By Liz in June, 2026
Source: Bizrate
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