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Home Gemstones Opal

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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7.51ct Multicolor Black Opal, Oval, Opaque

20.7 x 11.7 mm

$ 311.67

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1.05ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 31.37

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1.53ct Multicolor Opal, Marquise, Translucent

15.7 x 7 mm

$ 38.60

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1.16ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 28.88

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9.98ct Multicolor Boulder Opal, Pear Shape, Opaque

21.9 x 14 mm

$ 49.70

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0.61ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 18.23

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0.60ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.93

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1.35ct Multicolor Opal, Marquise, Transparent

13.9 x 6.6 mm

$ 59.16

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0.69ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 18.91

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5.11ct Multicolor Black Opal, Oval, Opaque

15.2 x 11.7 mm

$ 212.07

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8.82ct Multicolor Black Opal, Oval, Opaque

19.3 x 13 mm

$ 263.54

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0.88ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 21.91

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1.40ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 46.02

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1.20ct Multicolor Chocolate Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 35.86

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1.05ct Multicolor Black Opal, Oval, Opaque

9.5 x 7.2 mm

$ 26.92

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0.71ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 19.46

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1.18ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 35.26

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0.46ct Multicolor Opal, Oval, Opaque

6.8 x 5.3 mm

$ 13.74

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1.30ct Red Fire Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 45.32

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12.21ct Multicolor Black Opal, Oval, Opaque

21.9 x 14.4 mm

$ 610.50

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1.48ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 33.83

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3.16ct Multicolor Boulder Opal, Cushion, Opaque

9.7 x 7.6 mm

$ 13.11

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1.62ct Multicolor Black Opal, Cushion, Opaque

11.8 x 6 mm

$ 49.31

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0.53ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 15.84

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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 think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good, hope gem quality is good and genuine

Posted By Varun in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate
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