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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
0.80ct Multicolor Chocolate Opal, Oval, Translucent

0.80ct Multicolor Chocolate Opal, Oval, Translucent

9.5 x 6.2 mm

$ 26.29

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1.16ct Multicolor Opal, Oval, Translucent

1.16ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 29.17

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2.05ct Multicolor Opal, Oval, Transparent

2.05ct Multicolor Opal, Oval, Transparent

12.3 x 9.1 mm

$ 51.55

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27.89ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718639)

27.89ct Multicolor Boulder Opal, Fancy, Opaque

25.7 x 23.1 mm

$ 138.89

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2.35ctw Multicolor Black Opal, Oval, Translucent

2.35ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 53.89

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3.10ctw Multicolor Opal, Square, Translucent

3.10ctw Multicolor Opal, Square, Translucent

3.7 x 3.6 mm

$ 22.01

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0.79ct Multicolor Black Opal, Oval, Translucent

0.79ct Multicolor Black Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 21.64

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2.12ct Multicolor Black Opal, Oval, Opaque

2.12ct Multicolor Black Opal, Oval, Opaque

10.6 x 8.4 mm

$ 61.59

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0.66ct Multicolor Opal, Oval, Opaque

0.66ct Multicolor Opal, Oval, Opaque

7.2 x 5.7 mm

$ 19.72

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1.13ctw Multicolor Opal, Oval, Transparent

1.13ctw Multicolor Opal, Oval, Transparent

6 x 4 mm (calibrated)

$ 38.86

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4.43ct Multicolor Chocolate Opal, Pear Shape, Transparent

4.43ct Multicolor Chocolate Opal, Pear Shape, Transparent

15 x 15 mm (calibrated)

$ 110.31

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1.66ct Multicolor Opal, Pear Shape, Transparent

1.66ct Multicolor Opal, Pear Shape, Transparent

12.2 x 9 mm

$ 72.75

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1.37ct Multicolor Opal, Oval, Opaque

1.37ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 40.94

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9.69ct Multicolor Boulder Opal, Trillion, Opaque

9.69ct Multicolor Boulder Opal, Trillion, Opaque

14 x 14 mm (calibrated)

$ 40.21

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1.35ct Multicolor Black Opal, Oval, Translucent

1.35ct Multicolor Black Opal, Oval, Translucent

11 x 9 mm (calibrated)

$ 28.01

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1.54ct Multicolor Opal, Oval, Transparent

1.54ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 46.02

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1.50ct Multicolor Opal, Pear Shape, Transparent

1.50ct Multicolor Opal, Pear Shape, Transparent

11.9 x 7.2 mm

$ 37.35

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1.73ct Multicolor Opal, Pear Shape, Transparent

1.73ct Multicolor Opal, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 81.51

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1.01ct Multicolor Opal, Marquise, Transparent

1.01ct Multicolor Opal, Marquise, Transparent

15.9 x 6.2 mm

$ 25.48

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1.50ct Multicolor Opal, Oval, Transparent

1.50ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 69.02

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21.32ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (321921)

21.32ct Multicolor Boulder Opal, Oval, Opaque

27.3 x 13.1 mm

$ 163.50

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5.03ct Multicolor Chocolate Opal, Round, Transparent

5.03ct Multicolor Chocolate Opal, Round, Transparent

14 mm (calibrated)

$ 125.25

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1.03ct Multicolor Black Opal, Pear Shape, Opaque

1.03ct Multicolor Black Opal, Pear Shape, Opaque

8.7 x 7.4 mm

$ 26.41

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0.77ct Multicolor Black Opal, Emerald Cut, Opaque

0.77ct Multicolor Black Opal, Emerald Cut, Opaque

8.2 x 6.4 mm

$ 19.75

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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 -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
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

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate
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