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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

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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0.53ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 19.08

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1.76ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 44.35

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2.31ct Multicolor Opal, Pear Shape, Translucent

12 x 8 mm (calibrated)

$ 77.23

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7.53ct Multicolor Opal, Oval, Transparent

18.3 x 14.1 mm

$ 225.90

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3.58ct Multicolor Opal, Pear Shape, Translucent

14.5 x 10.4 mm

$ 107.40

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4.80ct Multicolor Black Opal, Oval, Opaque

14.3 x 8.7 mm

$ 240.00

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1.99ct Multicolor Opal, Oval, Translucent

10.2 x 8.6 mm

$ 60.30

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2.37ct Multicolor Black Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 71.10

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1.52ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 46.20

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0.50ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.00

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2.24ct Yellow Cat's Eye Opal, Oval, Opaque

10 x 7 mm (calibrated)

$ 8.06

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1.26ct Multicolor Black Opal, Cushion, Opaque

9 x 7 mm (calibrated)

$ 44.10

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1.07ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 40.55

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19.06ct Green Cat's Eye Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 57.18

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1.59ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 57.24

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2.67ct Multicolor Opal, Cushion, Transparent

15.6 x 9.4 mm

$ 144.18

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0.45ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.20

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1.41ct Multicolor Black Opal, Pear Shape, Opaque

11 x 7.5 mm

$ 43.55

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0.36ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 9.00

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0.76ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 27.36

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

16 x 12 mm (calibrated)

$ 14.14

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10.02ct Yellow Cat's Eye Opal, Oval, Opaque

15.8 x 13.1 mm

$ 36.07

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3.04ct Multicolor Black Opal, Pear Shape, Opaque

15.3 x 7.2 mm

$ 106.70

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1.11ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.96

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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

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate
Enlarged Gemstone Image