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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
12.74ct Multicolor Chocolate Opal, Oval, Opaque

12.74ct Multicolor Chocolate Opal, Oval, Opaque

18.5 x 15.1 mm

$ 317.23

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0.86ct Multicolor Black Opal, Oval, Translucent

0.86ct Multicolor Black Opal, Oval, Translucent

9 x 6 mm (calibrated)

$ 21.41

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1.26ct Multicolor Opal, Pear Shape, Transparent

1.26ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 62.12

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2.42ct Multicolor Black Opal, Oval, Translucent
Black Opal Product Video (705283)

2.42ct Multicolor Black Opal, Oval, Translucent

14 x 9 mm (calibrated)

$ 60.26

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1.75ctw Multicolor Opal, Oval, Transparent

1.75ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 76.69

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1.72ct Multicolor Black Opal, Oval, Translucent

1.72ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 42.83

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1.49ct Multicolor Opal, Baguette, Transparent

1.49ct Multicolor Opal, Baguette, Transparent

9 x 7 mm (calibrated)

$ 45.71

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1.32ctw Multicolor Black Opal, Oval, Translucent

1.32ctw Multicolor Black Opal, Oval, Translucent

6.3 x 4.3 mm

$ 43.38

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15.41ct Multicolor Boulder Opal, Oval, Opaque

15.41ct Multicolor Boulder Opal, Oval, Opaque

20 x 15 mm (calibrated)

$ 76.74

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5.14ct Multicolor Opal, Fancy, Translucent

5.14ct Multicolor Opal, Fancy, Translucent

16.2 x 13.5 mm

$ 143.34

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1.59ctw Multicolor Opal, Oval, Opaque

1.59ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 47.51

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1.47ct Multicolor Opal, Oval, Transparent

1.47ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 61.49

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0.49ct Multicolor Opal, Oval, Opaque

0.49ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 14.64

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2.58ct Multicolor Opal, Pear Shape, Transparent

2.58ct Multicolor Opal, Pear Shape, Transparent

14 x 9 mm (calibrated)

$ 64.86

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0.80ct Multicolor Opal, Marquise, Transparent

0.80ct Multicolor Opal, Marquise, Transparent

10.7 x 5.6 mm

$ 19.92

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4.61ctw Multicolor Opal, Square, Transparent

4.61ctw Multicolor Opal, Square, Transparent

4 x 4 mm (calibrated)

$ 32.73

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1.30ctw Multicolor Opal, Oval, Transparent

1.30ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 56.97

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1.55ctw Multicolor Opal, Oval, Translucent

1.55ctw Multicolor Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 50.95

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1.60ct Multicolor Opal, Pear Shape, Transparent

1.60ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 33.47

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0.51ct Multicolor Opal, Round, Opaque

0.51ct Multicolor Opal, Round, Opaque

6 mm (calibrated)

$ 16.77

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2.34ct Multicolor Opal, Pear Shape, Translucent

2.34ct Multicolor Opal, Pear Shape, Translucent

13.8 x 8.1 mm

$ 59.03

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1.22ct Multicolor Black Opal, Oval, Translucent

1.22ct Multicolor Black Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 30.38

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0.56ct Multicolor Opal, Oval, Opaque

0.56ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.73

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1.34ctw Multicolor Opal, Round, Translucent

1.34ctw Multicolor Opal, Round, Translucent

6 mm (calibrated)

$ 51.39

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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

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate
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