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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
8.39ctw Multicolor Opal, Round, Translucent
Opal Product Video (466386)

8.39ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 257.37

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1.23ct Multicolor Opal, Oval, Opaque

1.23ct Multicolor Opal, Oval, Opaque

8.5 x 6.5 mm

$ 33.70

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2.85ct Multicolor Opal, Oval, Opaque

2.85ct Multicolor Opal, Oval, Opaque

12.5 x 9.5 mm

$ 85.16

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1.05ct Multicolor Opal, Oval, Transparent

1.05ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 31.37

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4.17ct Multicolor Opal, Oval, Transparent

4.17ct Multicolor Opal, Oval, Transparent

13.9 x 10.9 mm

$ 186.90

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0.79ct Multicolor Opal, Oval, Transparent

0.79ct Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 37.22

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12.50ct Multicolor Black Opal, Pear Shape, Opaque

12.50ct Multicolor Black Opal, Pear Shape, Opaque

22.1 x 13.5 mm

$ 518.75

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0.98ct Multicolor Opal, Oval, Opaque

0.98ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 29.28

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9.45ct Multicolor Boulder Opal, Fancy, Opaque

9.45ct Multicolor Boulder Opal, Fancy, Opaque

23.9 x 9.5 mm

$ 47.06

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5.19ctw Multicolor Opal, Square, Transparent

5.19ctw Multicolor Opal, Square, Transparent

4.4 x 4.3 mm

$ 37.06

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1.92ct Multicolor Opal, Oval, Translucent

1.92ct Multicolor Opal, Oval, Translucent

10.5 x 7.3 mm

$ 48.44

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14.28ct Multicolor Boulder Opal, Cushion, Opaque
Boulder Opal Product Video (627636)

14.28ct Multicolor Boulder Opal, Cushion, Opaque

23.2 x 11.1 mm

$ 109.52

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1.53ctw Multicolor Opal, Oval, Opaque

1.53ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 45.72

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20.92ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (300454)

20.92ct Multicolor Boulder Opal, Oval, Opaque

25.5 x 14.9 mm

$ 160.44

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1.34ct Multicolor Black Opal, Trillion, Opaque

1.34ct Multicolor Black Opal, Trillion, Opaque

9.5 x 8.8 mm

$ 40.79

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3.79ct Multicolor Black Opal, Oval, Opaque

3.79ct Multicolor Black Opal, Oval, Opaque

14.7 x 10.6 mm

$ 110.41

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1.53ct Multicolor Opal, Oval, Transparent

1.53ct Multicolor Opal, Oval, Transparent

10.1 x 7.6 mm

$ 70.41

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1.68ct Multicolor Black Opal, Oval, Translucent

1.68ct Multicolor Black Opal, Oval, Translucent

10.6 x 8 mm

$ 42.25

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1.48ct Multicolor Opal, Oval, Translucent

1.48ct Multicolor Opal, Oval, Translucent

9.6 x 7.7 mm

$ 36.85

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2.53ctw Multicolor Black Opal, Oval, Opaque

2.53ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 83.16

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3.48ct Multicolor Opal, Oval, Transparent

3.48ct Multicolor Opal, Oval, Transparent

13.3 x 10.3 mm

$ 87.49

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1.05ctw Multicolor Opal, Oval, Opaque

1.05ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 31.37

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3.95ct Multicolor Black Opal, Pear Shape, Opaque

3.95ct Multicolor Black Opal, Pear Shape, Opaque

17 x 10.4 mm

$ 115.08

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1.12ct Multicolor Black Opal, Marquise, Translucent

1.12ct Multicolor Black Opal, Marquise, Translucent

14.2 x 5.1 mm

$ 28.29

View Gem

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

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyable. Liked looking at the products. Had a little trouble with the payment page.

Posted By Irene A. in September, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Maneuvering through the website was easy and enjoyable. I have ordered from GemSelect before and that experience was also pleasant.

Posted By Willow in August, 2026
Source: Bizrate
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