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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 Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.63ctw Multicolor Opal, Oval, Translucent

1.63ctw Multicolor Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 64.55

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0.98ct Multicolor Opal, Oval, Transparent

0.98ct Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 55.62

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1.99ct Multicolor Opal, Oval, Translucent

1.99ct Multicolor Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 60.30

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7.43ct Multicolor Boulder Opal, Oval, Opaque

7.43ct Multicolor Boulder Opal, Oval, Opaque

23.9 x 8 mm

$ 62.41

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1.76ct Multicolor Black Opal, Oval, Opaque

1.76ct Multicolor Black Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 54.37

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1.13ct Multicolor Opal, Oval, Translucent

1.13ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 52.75

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3.33ct Multicolor Opal, Oval, Transparent

3.33ct Multicolor Opal, Oval, Transparent

14.2 x 9.6 mm

$ 99.90

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5.15ctw Multicolor Opal, Square, Transparent

5.15ctw Multicolor Opal, Square, Transparent

4.6 x 4.5 mm

$ 44.05

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2.05ctw Multicolor Opal Doublet, Oval, Opaque

2.05ctw Multicolor Opal Doublet, Oval, Opaque

9 x 7 mm (calibrated)

$ 73.37

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1.29ct Multicolor Opal, Oval, Opaque

1.29ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 46.44

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1.48ct Multicolor Opal, Oval, Transparent

1.48ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 40.76

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1.18ct Multicolor Opal, Oval, Opaque

1.18ct Multicolor Opal, Oval, Opaque

9.1 x 7.3 mm

$ 35.87

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1.54ct Multicolor Opal, Pear Shape, Transparent

1.54ct Multicolor Opal, Pear Shape, Transparent

11.1 x 8.2 mm

$ 85.38

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0.94ctw Multicolor Opal, Oval, Opaque

0.94ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 33.84

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0.84ct Multicolor Opal, Pear Shape, Transparent

0.84ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 23.00

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1.43ct Multicolor Opal, Pear Shape, Translucent

1.43ct Multicolor Opal, Pear Shape, Translucent

13 x 9 mm (calibrated)

$ 79.28

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1.11ct Multicolor Opal, Fancy, Translucent

1.11ct Multicolor Opal, Fancy, Translucent

13 x 7.6 mm

$ 37.30

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1.47ctw Multicolor Opal, Oval, Transparent

1.47ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 77.62

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45.10ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718516)

45.10ct Multicolor Boulder Opal, Fancy, Opaque

41.1 x 26.7 mm

$ 270.60

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0.40ct Multicolor Opal, Oval, Opaque

0.40ct Multicolor Opal, Oval, Opaque

6.5 x 5 mm

$ 14.40

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1.27ct Multicolor Opal, Marquise, Transparent

1.27ct Multicolor Opal, Marquise, Transparent

14.8 x 6.5 mm

$ 67.06

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1.55ct Multicolor Black Opal, Oval, Translucent

1.55ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 46.50

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1.90ct Multicolor Black Opal, Oval, Translucent

1.90ct Multicolor Black Opal, Oval, Translucent

12 x 9.2 mm

$ 57.00

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3.85ct Multicolor Black Opal, Marquise, Opaque

3.85ct Multicolor Black Opal, Marquise, Opaque

18 x 9 mm (calibrated)

$ 135.14

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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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 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

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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