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Home › Gemstones › Opal

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 Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
10.65ct Multicolor Boulder Opal, Fancy, Opaque

10.65ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 13.2 mm

$ 53.04

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1.19ct Multicolor Black Opal, Trillion, Opaque

1.19ct Multicolor Black Opal, Trillion, Opaque

9 x 9 mm (calibrated)

$ 36.22

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1.16ct Multicolor Black Opal, Oval, Opaque

1.16ct Multicolor Black Opal, Oval, Opaque

9.5 x 7.2 mm

$ 29.74

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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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0.66ct Multicolor Opal, Pear Shape, Transparent

0.66ct Multicolor Opal, Pear Shape, Transparent

8 x 5.4 mm

$ 16.43

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1.38ct Multicolor Black Opal, Oval, Translucent

1.38ct Multicolor Black Opal, Oval, Translucent

9.4 x 7.4 mm

$ 34.36

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2.66ct Multicolor Opal, Oval, Transparent

2.66ct Multicolor Opal, Oval, Transparent

14 x 10 mm (calibrated)

$ 119.22

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1.18ct Multicolor Chocolate Opal, Oval, Translucent

1.18ct Multicolor Chocolate Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 38.79

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1.63ct Multicolor Opal, Fancy, Translucent

1.63ct Multicolor Opal, Fancy, Translucent

10 x 7 mm (calibrated)

$ 45.46

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1.57ct Multicolor Black Opal, Square, Opaque

1.57ct Multicolor Black Opal, Square, Opaque

8 x 8 mm (calibrated)

$ 39.67

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12.67ct Multicolor Fire Opal, Oval, Opaque

12.67ct Multicolor Fire Opal, Oval, Opaque

17.4 x 15 mm

$ 63.35

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1.34ct Multicolor Black Opal, Oval, Translucent

1.34ct Multicolor Black Opal, Oval, Translucent

9.7 x 7.4 mm

$ 33.37

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5.56ct Yellow Opal, Oval, Opaque

5.56ct Yellow Opal, Oval, Opaque

13 x 10.6 mm

$ 27.80

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1.46ct Multicolor Opal, Oval, Translucent

1.46ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 56.56

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21.46ct Multicolor Boulder Opal, Pear Shape, Opaque

21.46ct Multicolor Boulder Opal, Pear Shape, Opaque

28.9 x 18.8 mm

$ 164.58

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1.13ct Multicolor Black Opal, Pear Shape, Opaque

1.13ct Multicolor Black Opal, Pear Shape, Opaque

10 x 8 mm (calibrated)

$ 32.83

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11.28ct Multicolor Boulder Opal, Cushion, Opaque

11.28ct Multicolor Boulder Opal, Cushion, Opaque

23.7 x 8.7 mm

$ 56.17

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0.70ct Multicolor Opal, Oval, Opaque

0.70ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 20.92

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0.61ct Multicolor Opal, Oval, Opaque

0.61ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.23

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11.89ct Green Opal, Oval, Opaque

11.89ct Green Opal, Oval, Opaque

17 x 14.1 mm

$ 25.46

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0.53ct Multicolor Opal, Oval, Opaque

0.53ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 15.84

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1.49ct Multicolor Black Opal, Baguette, Translucent

1.49ct Multicolor Black Opal, Baguette, Translucent

10 x 7 mm (calibrated)

$ 45.36

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0.76ct Multicolor Opal, Pear Shape, Transparent

0.76ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 18.92

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0.75ct Multicolor Opal, Oval, Translucent

0.75ct Multicolor Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 35.34

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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

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Could not get it to work 25 times.

Posted By Dock in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate
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