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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
1.38ct Multicolor Opal, Pear Shape, Transparent

1.38ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 34.36

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0.82ctw Multicolor Opal, Oval, Transparent

0.82ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 224.60

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2.53ctw Multicolor Opal, Oval, Transparent

2.53ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 110.87

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1.11ct Multicolor Opal, Oval, Opaque

1.11ct Multicolor Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 33.17

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2.35ct Red Fire Opal, Oval, Transparent

2.35ct Red Fire Opal, Oval, Transparent

10.9 x 8.4 mm

$ 75.68

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1.67ct Multicolor Black Opal, Oval, Translucent

1.67ct Multicolor Black Opal, Oval, Translucent

12.3 x 8.7 mm

$ 41.58

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3.02ct Multicolor Black Opal, Oval, Translucent

3.02ct Multicolor Black Opal, Oval, Translucent

12.6 x 9.4 mm

$ 62.67

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7.07ct Multicolor Opal, Pear Shape, Translucent

7.07ct Multicolor Opal, Pear Shape, Translucent

19.1 x 13.5 mm

$ 176.04

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3.95ct Multicolor Black Opal, Pear Shape, Opaque

3.95ct Multicolor Black Opal, Pear Shape, Opaque

17 x 10.4 mm

$ 115.08

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4.81ct Yellow Cat'S Eye Opal, Oval, Opaque

4.81ct Yellow Cat'S Eye Opal, Oval, Opaque

13 x 8.2 mm

$ 14.38

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1.48ct Multicolor Opal, Oval, Transparent

1.48ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 36.85

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0.72ct Multicolor Opal, Oval, Opaque

0.72ct Multicolor Opal, Oval, Opaque

7.7 x 5.9 mm

$ 21.51

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13.04ct Black Opal, Marquise, Opaque
Opal Product Video (664567)

13.04ct Black Opal, Marquise, Opaque

29.8 x 13.9 mm

$ 428.60

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1.36ctw Multicolor Opal, Oval, Opaque

1.36ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 44.70

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1.12ctw Multicolor Opal, Oval, Opaque

1.12ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 36.81

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1.47ct Multicolor Opal, Oval, Translucent

1.47ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 46.23

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0.87ct Orange Fire Opal, Oval, Transparent

0.87ct Orange Fire Opal, Oval, Transparent

8.8 x 6.6 mm

$ 25.27

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1.54ct Multicolor Opal, Oval, Transparent

1.54ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 70.87

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10.04ct Multicolor Boulder Opal, Fancy, Opaque

10.04ct Multicolor Boulder Opal, Fancy, Opaque

15.2 x 12.1 mm

$ 77.00

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1.79ctw Multicolor Opal, Oval, Opaque

1.79ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 58.83

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0.53ct Multicolor Opal, Pear Shape, Transparent

0.53ct Multicolor Opal, Pear Shape, Transparent

7.1 x 5.3 mm

$ 13.20

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1.48ct Multicolor Opal, Oval, Translucent

1.48ct Multicolor Opal, Oval, Translucent

9.4 x 7.6 mm

$ 36.85

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1.21ctw Multicolor Opal, Oval, Opaque

1.21ctw Multicolor Opal, Oval, Opaque

7.2 x 5.2 mm

$ 39.77

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1.02ct Multicolor Opal, Oval, Transparent

1.02ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 46.93

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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

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 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

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate
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