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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
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
1.22ct Multicolor Opal, Oval, Transparent

1.22ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 30.68

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1.16ct Brown Chocolate Opal, Oval, Opaque

1.16ct Brown Chocolate Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 34.66

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5.90ct Yellow Cat'S Eye Opal, Oval, Translucent

5.90ct Yellow Cat'S Eye Opal, Oval, Translucent

14 x 9 mm (calibrated)

$ 23.51

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5.16ct Multicolor Opal, Oval, Transparent

5.16ct Multicolor Opal, Oval, Transparent

14.1 x 10.7 mm

$ 128.48

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22.34ct Green Opal, Pear Shape, Opaque

22.34ct Green Opal, Pear Shape, Opaque

27.1 x 18.5 mm

$ 47.84

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10.65ct Multicolor Boulder Opal, Fancy, Opaque

10.65ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 13.2 mm

$ 53.04

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4.77ct Green Cat'S Eye Opal, Oval, Opaque

4.77ct Green Cat'S Eye Opal, Oval, Opaque

13.3 x 9.8 mm

$ 7.92

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0.48ct Multicolor Opal, Oval, Transparent

0.48ct Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 11.95

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1.19ct Green Opal, Oval, Opaque

1.19ct Green Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 35.56

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14.54ct Multicolor Boulder Opal, Fancy, Opaque

14.54ct Multicolor Boulder Opal, Fancy, Opaque

20 x 13.5 mm

$ 72.41

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1.43ct Multicolor Opal, Oval, Transparent

1.43ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 42.73

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13.97ct Multicolor Boulder Opal, Trillion, Translucent
Boulder Opal Product Video (522953)

13.97ct Multicolor Boulder Opal, Trillion, Translucent

20.4 x 12.9 mm

$ 76.53

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1.55ct Multicolor Opal, Pear Shape, Translucent

1.55ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 37.36

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0.94ctw Multicolor Opal, Oval, Transparent

0.94ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 257.47

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21.28ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (718608)

21.28ct Multicolor Boulder Opal, Fancy, Opaque

22.6 x 21.3 mm

$ 105.97

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0.53ct Multicolor Opal, Round, Opaque

0.53ct Multicolor Opal, Round, Opaque

6 mm (calibrated)

$ 17.42

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1.07ctw Multicolor Opal, Oval, Opaque

1.07ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 31.97

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31.20ct Multicolor Boulder Opal, Pear Shape, Opaque
Boulder Opal Product Video (321927)

31.20ct Multicolor Boulder Opal, Pear Shape, Opaque

29.5 x 20.6 mm

$ 239.28

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1.16ct Multicolor Opal, Fancy, Translucent

1.16ct Multicolor Opal, Fancy, Translucent

9.4 x 7.8 mm

$ 26.96

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0.82ct Multicolor Opal, Oval, Opaque

0.82ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 24.50

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0.53ct Multicolor Opal, Oval, Opaque

0.53ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 15.84

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0.97ct Multicolor Opal, Oval, Translucent

0.97ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 30.52

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1.14ct Multicolor Opal, Oval, Opaque

1.14ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 34.06

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5.54ctw Multicolor Black Opal, Oval, Translucent
Black Opal Product Video (473265)

5.54ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 115.49

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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

Great! Affordable

Posted By Spinellope in April, 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

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
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Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate
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