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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 Opal
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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0.72ct Multicolor Opal, Oval, Opaque

7.7 x 5.9 mm

$ 21.51

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3.07ct Multicolor Opal, Oval, Transparent

13.5 x 10.1 mm

$ 76.44

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4.80ct Multicolor Black Opal, Pear Shape, Translucent

15.8 x 11.1 mm

$ 143.42

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28.42ct Multicolor Opal, Oval, Opaque

28.9 x 20.2 mm

$ 84.92

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4.97ct Multicolor Opal, Oval, Translucent

13 x 11 mm (calibrated)

$ 123.75

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24.39ct Green Opal, Oval, Opaque

19.2 x 17.8 mm

$ 52.23

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3.69ct Multicolor Black Opal, Marquise, Opaque

23.2 x 8.5 mm

$ 93.23

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1.25ct Multicolor Chocolate Opal, Oval, Translucent

10.2 x 6.6 mm

$ 37.35

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17.55ct Multicolor Boulder Opal, Fancy, Opaque

19.4 x 13.3 mm

$ 134.60

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4.13ct Yellow Cat'S Eye Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 12.34

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0.66ct Orange Fire Opal, Oval, Transparent

7.8 x 5.7 mm

$ 23.01

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1.93ct Multicolor Opal, Oval, Opaque

13 x 9 mm (calibrated)

$ 48.70

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15.79ct Yellow Fire Opal, Oval, Transparent

22.3 x 14.9 mm

$ 373.84

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0.48ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 14.34

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21.32ct Green Opal, Oval, Opaque

23 x 16.6 mm

$ 49.46

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1.29ct Multicolor Opal, Oval, Opaque

9 x 6.6 mm

$ 32.12

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1.00ct Multicolor Opal, Trillion, Transparent

8 x 8 mm (calibrated)

$ 34.86

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1.53ct Multicolor Opal, Marquise, Translucent

15.7 x 7 mm

$ 38.60

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1.29ct Multicolor Opal, Oval, Translucent

10.1 x 7.3 mm

$ 32.12

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0.95ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 28.39

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1.25ct Multicolor Opal, Cushion, Transparent

12.3 x 5.9 mm

$ 46.69

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1.42ct Multicolor Black Opal, Cushion, Opaque

11.6 x 6.5 mm

$ 43.22

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24.01ct Green Opal, Oval, Opaque

21.5 x 17.5 mm

$ 55.70

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0.96ct Multicolor Opal, Oval, Opaque

8.3 x 6.3 mm

$ 26.29

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 -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate
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