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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

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
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14.46ct Multicolor Boulder Opal, Pear Shape, Opaque

23.6 x 13 mm

$ 79.22

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0.90ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 29.58

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10.38ct Multicolor Boulder Opal, Fancy, Opaque

17.8 x 13.6 mm

$ 43.08

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12.00ct Multicolor Boulder Opal, Fancy, Opaque

26 x 16.3 mm

$ 59.76

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1.69ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 74.06

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2.60ct Multicolor Black Opal, Marquise, Translucent

18.8 x 7.2 mm

$ 65.69

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1.04ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 31.08

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1.24ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.05

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3.18ct Multicolor Black Opal, Round, Transparent

11 mm (calibrated)

$ 92.64

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1.27ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 41.74

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1.69ct Multicolor Opal, Pear Shape, Transparent

11 x 8.3 mm

$ 72.38

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7.32ct Multicolor Black Opal, Oval, Opaque

16.9 x 12.4 mm

$ 218.72

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0.85ct Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 20.87

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1.34ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.81

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1.35ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 44.37

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1.08ct Multicolor Opal, Oval, Opaque

10.6 x 7.1 mm

$ 32.27

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1.38ct Multicolor Black Opal, Pear Shape, Opaque

11.6 x 7.1 mm

$ 40.09

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2.62ct Multicolor Opal, Pear Shape, Transparent

15.4 x 9.5 mm

$ 65.87

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4.58ctw Multicolor Opal, Square, Translucent

4.5 x 4.2 mm

$ 32.52

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3.63ctw Multicolor Black Opal, Oval, Translucent

11.3 x 8.3 mm

$ 91.29

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1.44ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 35.86

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7.19ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 298.39

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1.96ct Multicolor Opal, Fancy, Translucent

12.7 x 6.3 mm

$ 54.66

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1.67ct Multicolor Black Opal, Oval, Translucent

12.3 x 8.7 mm

$ 41.58

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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. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
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
Enlarged Gemstone Image