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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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1.08ct Multicolor Black Opal, Cushion, Opaque

1.08ct Multicolor Black Opal, Cushion, Opaque

9.3 x 6.6 mm

$ 33.36

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1.74ct Medium Red Fire Opal, Oval, Transparent
Fire Opal Product Video (673442)

1.74ct Medium Red Fire Opal, Oval, Transparent

12 x 8 mm (calibrated)

$ 73.08

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1.93ct Multicolor Opal, Fancy, Translucent

1.93ct Multicolor Opal, Fancy, Translucent

12 x 7.1 mm

$ 64.85

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0.64ct Multicolor Opal, Pear Shape, Transparent

0.64ct Multicolor Opal, Pear Shape, Transparent

7.3 x 5.2 mm

$ 19.20

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1.23ct Multicolor Opal, Oval, Transparent
Opal Product Video (548045)

1.23ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 369.00

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1.33ct Multicolor Opal, Oval, Transparent

1.33ct Multicolor Opal, Oval, Transparent

12.7 x 7.2 mm

$ 33.25

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1.62ct Multicolor Opal, Oval, Translucent

1.62ct Multicolor Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 49.24

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1.26ct Multicolor Opal, Oval, Opaque

1.26ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 45.36

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51.22ct Multicolor Opal, Round, Opaque

51.22ct Multicolor Opal, Round, Opaque

32.1 mm

$ 184.39

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6.01ct Multicolor Black Opal, Marquise, Opaque

6.01ct Multicolor Black Opal, Marquise, Opaque

18.3 x 9.5 mm

$ 300.50

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1.15ct Multicolor Opal, Oval, Opaque

1.15ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 45.54

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1.61ct Multicolor Opal, Oval, Opaque

1.61ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 57.96

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0.92ct Intense Red Orange Fire Opal, Oval, Transparent

0.92ct Intense Red Orange Fire Opal, Oval, Transparent

9.4 x 7 mm

$ 38.64

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1.68ct Multicolor Opal, Oval, Transparent

1.68ct Multicolor Opal, Oval, Transparent

11 x 9 mm (calibrated)

$ 42.00

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0.67ct Reddish Orange Fire Opal, Oval, Translucent

0.67ct Reddish Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 22.12

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17.52ct Earth Green Cat's Eye Opal, Oval, Opaque

17.52ct Earth Green Cat's Eye Opal, Oval, Opaque

22.5 x 14 mm

$ 52.56

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1.17ct Multicolor Chocolate Opal, Oval, Translucent

1.17ct Multicolor Chocolate Opal, Oval, Translucent

9.9 x 6.7 mm

$ 46.33

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16.99ct Yellowish Green Cat's Eye Opal, Oval, Opaque

16.99ct Yellowish Green Cat's Eye Opal, Oval, Opaque

21.8 x 14.5 mm

$ 50.98

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2.37ct Multicolor Black Opal, Oval, Opaque

2.37ct Multicolor Black Opal, Oval, Opaque

13.2 x 9.6 mm

$ 83.19

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1.33ct Multicolor Opal, Oval, Opaque

1.33ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 47.88

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3.69ct Multicolor Opal, Pear Shape, Translucent

3.69ct Multicolor Opal, Pear Shape, Translucent

12 x 12 mm (calibrated)

$ 110.70

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1.12ct Multicolor Opal, Pear Shape, Transparent

1.12ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 62.09

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1.96ct Multicolor Opal, Fancy, Translucent

1.96ct Multicolor Opal, Fancy, Translucent

12.7 x 6.3 mm

$ 65.86

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1.04ct Multicolor Black Opal, Emerald Cut, Opaque

1.04ct Multicolor Black Opal, Emerald Cut, Opaque

8.3 x 6.9 mm

$ 36.40

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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 -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 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

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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