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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
1.47ct Multicolor Black Opal, Sphere / Ball, Opaque

1.47ct Multicolor Black Opal, Sphere / Ball, Opaque

7 mm (calibrated)

$ 36.60

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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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6.67ctw Multicolor Opal, Round, Transparent
Opal Product Video (466299)

6.67ctw Multicolor Opal, Round, Transparent

8 mm (calibrated)

$ 186.01

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1.02ct Multicolor Opal, Oval, Translucent

1.02ct Multicolor Opal, Oval, Translucent

8.6 x 6.8 mm

$ 32.08

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0.80ctw Multicolor Opal, Oval, Opaque

0.80ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 23.90

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2.68ct Multicolor Opal, Oval, Translucent

2.68ct Multicolor Opal, Oval, Translucent

12 x 8.6 mm

$ 67.61

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1.64ct Multicolor Opal, Fancy, Translucent

1.64ct Multicolor Opal, Fancy, Translucent

10.4 x 7.6 mm

$ 45.73

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2.04ct Multicolor Opal, Oval, Opaque

2.04ct Multicolor Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 60.96

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11.89ct Multicolor Boulder Opal, Fancy, Opaque

11.89ct Multicolor Boulder Opal, Fancy, Opaque

29.6 x 9.9 mm

$ 35.52

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1.14ct Multicolor Opal, Oval, Translucent

1.14ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 49.96

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0.90ct Multicolor Black Opal, Cushion, Translucent

0.90ct Multicolor Black Opal, Cushion, Translucent

8.9 x 6.2 mm

$ 27.40

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0.90ct Multicolor Opal, Oval, Opaque

0.90ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 26.89

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3.88ctw Multicolor Opal, Oval, Translucent

3.88ctw Multicolor Opal, Oval, Translucent

11 x 9 mm (calibrated)

$ 105.14

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3.58ct Multicolor Opal, Pear Shape, Translucent

3.58ct Multicolor Opal, Pear Shape, Translucent

14.5 x 10.4 mm

$ 89.14

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5.77ct Multicolor Boulder Opal, Fancy, Translucent

5.77ct Multicolor Boulder Opal, Fancy, Translucent

18.1 x 11.1 mm

$ 28.73

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1.29ct Multicolor Opal, Oval, Transparent

1.29ct Multicolor Opal, Oval, Transparent

9.5 x 6.9 mm

$ 32.12

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1.45ct Multicolor Opal, Oval, Translucent

1.45ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 63.54

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17.18ct Multicolor Boulder Opal, Fancy, Opaque

17.18ct Multicolor Boulder Opal, Fancy, Opaque

21.2 x 16.1 mm

$ 71.30

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0.67ct Multicolor Opal, Pear Shape, Transparent

0.67ct Multicolor Opal, Pear Shape, Transparent

8 x 6.6 mm

$ 16.68

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2.14ct Multicolor Opal, Fancy, Translucent

2.14ct Multicolor Opal, Fancy, Translucent

14.5 x 7.8 mm

$ 59.68

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14.29ct Multicolor Boulder Opal, Cushion, Opaque

14.29ct Multicolor Boulder Opal, Cushion, Opaque

21.6 x 14.2 mm

$ 78.29

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4.57ct Multicolor Boulder Opal, Cushion, Opaque

4.57ct Multicolor Boulder Opal, Cushion, Opaque

18.9 x 9.1 mm

$ 18.97

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1.05ct Multicolor Opal, Oval, Transparent

1.05ct Multicolor Opal, Oval, Transparent

9.3 x 7.3 mm

$ 26.15

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12.38ct Multicolor Boulder Opal, Fancy, Translucent

12.38ct Multicolor Boulder Opal, Fancy, Translucent

25 x 18 mm (calibrated)

$ 61.65

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

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate
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