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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
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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31.72ct Multicolor Opal, Oval, Opaque

31.72ct Multicolor Opal, Oval, Opaque

31.2 x 22.8 mm

$ 114.19

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11.23ct Multicolor Boulder Opal, Fancy, Opaque

11.23ct Multicolor Boulder Opal, Fancy, Opaque

18.3 x 12.2 mm

$ 67.38

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0.68ct Multicolor Opal, Oval, Opaque

0.68ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 24.48

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0.76ct Brown Chocolate Opal, Oval, Opaque

0.76ct Brown Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 27.36

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0.59ct Multicolor Opal, Pear Shape, Opaque

0.59ct Multicolor Opal, Pear Shape, Opaque

7.3 x 5.8 mm

$ 23.36

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2.18ct Multicolor Opal, Oval, Transparent

2.18ct Multicolor Opal, Oval, Transparent

11 x 8.1 mm

$ 117.72

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1.21ct Multicolor Opal, Pear Shape, Transparent

1.21ct Multicolor Opal, Pear Shape, Transparent

10 x 8 mm (calibrated)

$ 35.14

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0.76ct Multicolor Chocolate Opal, Oval, Translucent

0.76ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 30.10

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1.40ct Multicolor Black Opal, Oval, Opaque

1.40ct Multicolor Black Opal, Oval, Opaque

11.2 x 7.8 mm

$ 43.25

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4.16ct Yellow Cat's Eye Opal, Oval, Translucent

4.16ct Yellow Cat's Eye Opal, Oval, Translucent

11.8 x 8.8 mm

$ 16.48

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4.26ct Multicolor Black Opal, Round, Opaque
Black Opal Product Video (746033)

4.26ct Multicolor Black Opal, Round, Opaque

12 mm (calibrated)

$ 149.53

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5.25ct Yellow Cat's Eye Opal, Oval, Translucent

5.25ct Yellow Cat's Eye Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 27.72

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10.34ct Multicolor Black Opal, Oval, Opaque

10.34ct Multicolor Black Opal, Oval, Opaque

18.4 x 13.9 mm

$ 372.24

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1.09ct Multicolor Opal, Oval, Translucent

1.09ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 60.43

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0.67ct Orange Fire Opal, Oval, Transparent
Fire Opal Product Video (585387)

0.67ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 22.99

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0.97ct Multicolor Opal, Oval, Opaque

0.97ct Multicolor Opal, Oval, Opaque

8 x 6.9 mm

$ 38.41

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14.46ct Multicolor Boulder Opal, Pear Shape, Opaque
Boulder Opal Product Video (521760)

14.46ct Multicolor Boulder Opal, Pear Shape, Opaque

23.6 x 13 mm

$ 95.44

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1.16ct Multicolor Opal, Oval, Transparent

1.16ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 64.31

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63.70ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718555)

63.70ct Multicolor Boulder Opal, Fancy, Opaque

29.5 x 29.3 mm

$ 382.20

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3.56ct Multicolor Opal, Oval, Transparent

3.56ct Multicolor Opal, Oval, Transparent

14.8 x 11 mm

$ 106.80

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8.55ct Multicolor Black Opal, Oval, Opaque

8.55ct Multicolor Black Opal, Oval, Opaque

17.8 x 13.7 mm

$ 307.80

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1.16ct Multicolor Opal, Oval, Translucent

1.16ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 41.76

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1.57ct Multicolor Opal, Oval, Translucent

1.57ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 47.10

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26.23ct Multicolor Boulder Opal, Pear Shape, Opaque

26.23ct Multicolor Boulder Opal, Pear Shape, Opaque

23.2 x 17 mm

$ 242.36

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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

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

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 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
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