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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
1.75ct Multicolor Black Opal, Pear Shape, Opaque

1.75ct Multicolor Black Opal, Pear Shape, Opaque

12 x 8.4 mm

$ 72.63

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10.26ct Multicolor Boulder Opal, Fancy, Opaque

10.26ct Multicolor Boulder Opal, Fancy, Opaque

19.2 x 10.5 mm

$ 51.09

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1.77ct Multicolor Opal, Oval, Translucent

1.77ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 50.61

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1.12ct Multicolor Opal, Oval, Transparent

1.12ct Multicolor Opal, Oval, Transparent

11.5 x 6.7 mm

$ 28.25

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0.89ct Multicolor Opal, Oval, Opaque

0.89ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 26.59

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3.98ct Multicolor Black Opal, Pear Shape, Opaque
Black Opal Product Video (744023)

3.98ct Multicolor Black Opal, Pear Shape, Opaque

14.7 x 9.1 mm

$ 165.17

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1.82ctw Multicolor Opal, Oval, Opaque

1.82ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 59.82

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2.37ctw Multicolor Opal, Oval, Opaque

2.37ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 70.82

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6.04ct Yellow Cat'S Eye Opal, Oval, Opaque

6.04ct Yellow Cat'S Eye Opal, Oval, Opaque

14 x 9 mm (calibrated)

$ 18.04

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1.21ct Multicolor Opal, Pear Shape, Transparent

1.21ct Multicolor Opal, Pear Shape, Transparent

10 x 8 mm (calibrated)

$ 29.17

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1.73ct Multicolor Opal, Oval, Opaque

1.73ct Multicolor Opal, Oval, Opaque

9.2 x 7.8 mm

$ 56.86

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0.82ct Multicolor Opal, Round, Translucent

0.82ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 20.14

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2.08ctw Multicolor Opal, Oval, Opaque

2.08ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 62.15

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0.98ct Multicolor Chocolate Opal, Oval, Translucent

0.98ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 32.21

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19.05ct Multicolor Opal, Oval, Opaque

19.05ct Multicolor Opal, Oval, Opaque

23.6 x 15.6 mm

$ 56.92

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9.66ct Green Cat'S Eye Opal, Oval, Opaque

9.66ct Green Cat'S Eye Opal, Oval, Opaque

18.1 x 9.8 mm

$ 26.76

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0.86ctw Multicolor Opal, Pear Shape, Transparent

0.86ctw Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 21.41

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13.64ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (679218)

13.64ct Multicolor Boulder Opal, Fancy, Opaque

20 x 15 mm (calibrated)

$ 67.93

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2.33ctw Multicolor Opal, Oval, Opaque

2.33ctw Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 69.62

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1.95ctw Multicolor Opal, Round, Translucent

1.95ctw Multicolor Opal, Round, Translucent

6 mm (calibrated)

$ 74.78

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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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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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0.67ct Multicolor Opal, Pear Shape, Transparent

0.67ct Multicolor Opal, Pear Shape, Transparent

8 x 6.6 mm

$ 16.68

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1.45ctw Multicolor Opal, Oval, Opaque

1.45ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 43.33

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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

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

easy interface for a pricless buy

Posted By Zeak in May, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate
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