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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
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
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
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10.15Ct Multicolor Boulder Opal, Fancy, Opaque

10.15Ct Multicolor Boulder Opal, Fancy, Opaque

18 x 13 mm (calibrated)

$ 85.26

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1.64Ct Multicolor Opal, Fancy, Translucent

1.64Ct Multicolor Opal, Fancy, Translucent

10.4 x 7.6 mm

$ 55.10

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1.19Ctw Multicolor Opal, Oval, Transparent

1.19Ctw Multicolor Opal, Oval, Transparent

6.9 x 5.2 mm

$ 357.00

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1.17Ct Multicolor Chocolate Opal, Oval, Translucent

1.17Ct Multicolor Chocolate Opal, Oval, Translucent

9.9 x 6.7 mm

$ 46.33

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4.91Ct Golden-Orange Cat's Eye Opal, Oval, Opaque

4.91Ct Golden-Orange Cat's Eye Opal, Oval, Opaque

13.4 x 9.9 mm

$ 17.68

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3.00Ct Warm Green Cat's Eye Opal, Cushion, Opaque

3.00Ct Warm Green Cat's Eye Opal, Cushion, Opaque

10 x 10 mm (calibrated)

$ 6.00

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20.25Ct Multicolor Opal, Oval, Opaque
Opal Product Video (744019)

20.25Ct Multicolor Opal, Oval, Opaque

21.2 x 16.8 mm

$ 1,215.00

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5.55Ct Medium Golden Cat's Eye Opal, Oval, Opaque

5.55Ct Medium Golden Cat's Eye Opal, Oval, Opaque

12.9 x 10.7 mm

$ 19.98

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0.71Ct Dark Brown Chocolate Opal, Oval, Opaque

0.71Ct Dark Brown Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 25.56

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

8.39Ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 310.09

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1.13Ct Multicolor Chocolate Opal, Oval, Transparent

1.13Ct Multicolor Chocolate Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 40.68

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1.43Ct Multicolor Opal, Oval, Opaque

1.43Ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 51.48

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16.30Ct Multicolor Boulder Opal, Cushion, Opaque

16.30Ct Multicolor Boulder Opal, Cushion, Opaque

24.9 x 9.9 mm

$ 136.92

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0.79Ct Multicolor Black Opal, Oval, Translucent

0.79Ct Multicolor Black Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 26.07

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10.30Ct Multicolor Boulder Opal, Oval, Opaque

10.30Ct Multicolor Boulder Opal, Oval, Opaque

22.6 x 15.6 mm

$ 61.80

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8.14Ct Earth Green Opal, Oval, Opaque

8.14Ct Earth Green Opal, Oval, Opaque

16.6 x 14.3 mm

$ 21.00

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3.69Ctw Medium Orange Opal, Oval, Transparent

3.69Ctw Medium Orange Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 132.14

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1.75Ctw Multicolor Opal, Oval, Opaque

1.75Ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 69.30

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5.49Ctw Multicolor Opal, Round, Translucent

5.49Ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 184.46

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1.41Ctw Multicolor Black Opal, Oval, Translucent

1.41Ctw Multicolor Black Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 55.84

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5.23Ctw Multicolor Black Opal, Oval, Translucent

5.23Ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 144.49

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5.52Ct Multicolor Opal, Oval, Translucent

5.52Ct Multicolor Opal, Oval, Translucent

14.6 x 10.5 mm

$ 165.60

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3.56Ct Multicolor Opal, Oval, Transparent

3.56Ct Multicolor Opal, Oval, Transparent

14.8 x 11 mm

$ 106.80

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14.20Ct Earthy Green Opal, Oval, Opaque

14.20Ct Earthy Green Opal, Oval, Opaque

17.3 x 14.5 mm

$ 30.53

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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 was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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