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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
2.35ct Multicolor Opal, Pear Shape, Transparent

2.35ct Multicolor Opal, Pear Shape, Transparent

14 x 8.2 mm

$ 105.33

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0.67ct Multicolor Opal, Oval, Opaque

0.67ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 20.02

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1.45ct Multicolor Opal, Oval, Translucent

1.45ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 63.54

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1.52ct Multicolor Opal, Oval, Translucent

1.52ct Multicolor Opal, Oval, Translucent

11.4 x 7.4 mm

$ 38.35

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4.03ct Yellow Cat'S Eye Opal, Oval, Opaque

4.03ct Yellow Cat'S Eye Opal, Oval, Opaque

13 x 9 mm (calibrated)

$ 12.04

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12.51ct Multicolor Boulder Opal, Fancy, Opaque

12.51ct Multicolor Boulder Opal, Fancy, Opaque

23.5 x 14.3 mm

$ 62.30

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0.58ct Multicolor Opal, Pear Shape, Transparent

0.58ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 14.44

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24.99ct Multicolor Opal, Oval, Opaque

24.99ct Multicolor Opal, Oval, Opaque

31 x 20.1 mm

$ 74.67

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6.16ct Multicolor Boulder Opal, Fancy, Opaque

6.16ct Multicolor Boulder Opal, Fancy, Opaque

16.7 x 9.7 mm

$ 30.68

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8.30ct Yellow Cat'S Eye Opal, Oval, Opaque

8.30ct Yellow Cat'S Eye Opal, Oval, Opaque

15.6 x 10.5 mm

$ 24.80

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12.95ct Multicolor Boulder Opal, Oval, Opaque

12.95ct Multicolor Boulder Opal, Oval, Opaque

23.1 x 12.3 mm

$ 64.49

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2.89ct Yellow Cat'S Eye Opal, Oval, Opaque

2.89ct Yellow Cat'S Eye Opal, Oval, Opaque

10.5 x 6.9 mm

$ 8.63

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1.22ct Multicolor Opal, Round, Opaque

1.22ct Multicolor Opal, Round, Opaque

8 mm (calibrated)

$ 40.10

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1.78ct Multicolor Opal, Oval, Transparent

1.78ct Multicolor Opal, Oval, Transparent

10.8 x 8.1 mm

$ 44.32

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3.34ct Multicolor Opal, Oval, Transparent

3.34ct Multicolor Opal, Oval, Transparent

12.9 x 8.3 mm

$ 149.70

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0.67ct Orange Fire Opal, Oval, Transparent

0.67ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 19.08

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1.50ct Multicolor Opal, Oval, Opaque

1.50ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 44.82

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1.47ct Orange Fire Opal, Oval, Transparent

1.47ct Orange Fire Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 51.24

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0.67ct Orange Fire Opal, Oval, Translucent

0.67ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 18.36

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14.40ct Multicolor Boulder Opal, Cushion, Translucent
Boulder Opal Product Video (634615)

14.40ct Multicolor Boulder Opal, Cushion, Translucent

18.4 x 16.2 mm

$ 100.40

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0.79ct Orange Fire Opal, Oval, Transparent

0.79ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 22.50

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1.29ct Multicolor Opal, Oval, Translucent

1.29ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 32.55

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51.46ct Multicolor Opal, Oval, Opaque
Opal Product Video (667935)

51.46ct Multicolor Opal, Oval, Opaque

38.3 x 25.5 mm

$ 153.77

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34.72ct Green Cat'S Eye Opal, Oval, Opaque

34.72ct Green Cat'S Eye Opal, Oval, Opaque

24 x 20 mm

$ 86.45

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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

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Like the choices of loose stones, and the product quality.

Posted By Online Shopper in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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