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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
Golden
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
2.48ctw White Opal, Oval, Transparent

2.48ctw White Opal, Oval, Transparent

10.4 x 7.3 mm

$ 51.97

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1.30ct Multicolor Opal, Oval, Transparent

1.30ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 37.17

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4.60ct Multicolor Black Opal, Cushion, Opaque

4.60ct Multicolor Black Opal, Cushion, Opaque

16.9 x 9.3 mm

$ 137.45

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1.75ct Multicolor Opal, Oval, Opaque

1.75ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 52.29

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1.40ct Multicolor Black Opal, Marquise, Opaque

1.40ct Multicolor Black Opal, Marquise, Opaque

15.6 x 6.2 mm

$ 35.37

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1.89ct Multicolor Opal, Oval, Transparent

1.89ct Multicolor Opal, Oval, Transparent

11 x 9 mm (calibrated)

$ 47.06

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0.77ct Multicolor Opal, Oval, Opaque

0.77ct Multicolor Opal, Oval, Opaque

7.3 x 5.3 mm

$ 23.01

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12.87ct Multicolor Boulder Opal, Oval, Opaque

12.87ct Multicolor Boulder Opal, Oval, Opaque

21 x 10 mm

$ 84.60

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5.56ctw Multicolor Opal, Round, Transparent

5.56ctw Multicolor Opal, Round, Transparent

8 mm (calibrated)

$ 170.57

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0.89ct Multicolor Opal, Round, Opaque

0.89ct Multicolor Opal, Round, Opaque

7 mm (calibrated)

$ 29.25

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1.02ct Multicolor Opal, Oval, Opaque

1.02ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 30.48

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0.46ct Multicolor Opal, Oval, Opaque

0.46ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 13.74

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3.52ct Multicolor Opal, Oval, Transparent

3.52ct Multicolor Opal, Oval, Transparent

14 x 10 mm (calibrated)

$ 88.49

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24.39ct Multicolor Opal, Oval, Opaque

24.39ct Multicolor Opal, Oval, Opaque

26.7 x 18.2 mm

$ 72.87

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0.99ct Multicolor Black Opal, Emerald Cut, Opaque

0.99ct Multicolor Black Opal, Emerald Cut, Opaque

8.5 x 5.9 mm

$ 25.38

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7.81ct Multicolor Boulder Opal, Pear Shape, Opaque

7.81ct Multicolor Boulder Opal, Pear Shape, Opaque

16.4 x 10.5 mm

$ 59.90

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1.29ct Multicolor Opal, Pear Shape, Transparent

1.29ct Multicolor Opal, Pear Shape, Transparent

11.8 x 7 mm

$ 49.47

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0.70ct Multicolor Opal, Fancy, Translucent

0.70ct Multicolor Opal, Fancy, Translucent

10.7 x 7.4 mm

$ 19.52

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1.23ct Multicolor Black Opal, Oval, Translucent

1.23ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 40.43

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1.28ctw Multicolor Opal, Oval, Opaque

1.28ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 42.07

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6.97ct Multicolor Boulder Opal, Cushion, Opaque

6.97ct Multicolor Boulder Opal, Cushion, Opaque

19.2 x 10.7 mm

$ 34.71

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1.08ct Multicolor Black Opal, Oval, Translucent

1.08ct Multicolor Black Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 27.16

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4.63ct Multicolor Opal, Oval, Translucent

4.63ct Multicolor Opal, Oval, Translucent

17.4 x 8.9 mm

$ 102.28

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1.65ctw Multicolor Opal, Oval, Opaque

1.65ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 49.30

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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 -> 7 star ratings

easy interface for a pricless buy

Posted By Zeak in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 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

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate
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