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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 Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
20.61ct Multicolor Boulder Opal, Oval, Opaque

20.61ct Multicolor Boulder Opal, Oval, Opaque

31.9 x 12.2 mm

$ 102.64

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1.86ct Multicolor Opal, Pear Shape, Transparent

1.86ct Multicolor Opal, Pear Shape, Transparent

11 x 7.8 mm

$ 64.84

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1.46ct Multicolor Black Opal, Cushion, Opaque

1.46ct Multicolor Black Opal, Cushion, Opaque

9.4 x 7.4 mm

$ 37.43

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2.16ct White Opal, Pear Shape, Transparent

2.16ct White Opal, Pear Shape, Transparent

12.3 x 8.4 mm

$ 54.32

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12.16ct Multicolor Boulder Opal, Fancy, Opaque

12.16ct Multicolor Boulder Opal, Fancy, Opaque

22.3 x 17.9 mm

$ 50.46

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4.86ct Yellow Cat'S Eye Opal, Oval, Opaque

4.86ct Yellow Cat'S Eye Opal, Oval, Opaque

13.7 x 11.3 mm

$ 14.53

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3.55ct Multicolor Black Opal, Marquise, Opaque

3.55ct Multicolor Black Opal, Marquise, Opaque

16.5 x 8.6 mm

$ 147.33

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3.04ct Multicolor Opal, Pear Shape, Translucent
Opal Product Video (490829)

3.04ct Multicolor Opal, Pear Shape, Translucent

12 x 10 mm (calibrated)

$ 84.35

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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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1.76ctw Multicolor Opal, Oval, Opaque

1.76ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 57.85

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3.63ctw Multicolor Black Opal, Oval, Translucent

3.63ctw Multicolor Black Opal, Oval, Translucent

11.3 x 8.3 mm

$ 91.29

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23.49ct Multicolor Boulder Opal, Fancy, Opaque

23.49ct Multicolor Boulder Opal, Fancy, Opaque

28.3 x 16.1 mm

$ 97.48

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0.78ct Multicolor Opal, Oval, Opaque

0.78ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 23.31

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1.14ct Multicolor Opal, Oval, Translucent

1.14ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 37.47

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0.72ct Orange Fire Opal, Oval, Translucent

0.72ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 19.72

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3.56ct Multicolor Opal, Oval, Transparent

3.56ct Multicolor Opal, Oval, Transparent

14.8 x 11 mm

$ 88.64

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62.29ct Multicolor Opal, Oval, Opaque
Opal Product Video (718048)

62.29ct Multicolor Opal, Oval, Opaque

43.8 x 24.6 mm

$ 186.12

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7.58ct Multicolor Boulder Opal, Fancy, Opaque

7.58ct Multicolor Boulder Opal, Fancy, Opaque

18 x 9.2 mm

$ 37.75

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5.28ct Green Opal, Oval, Opaque

5.28ct Green Opal, Oval, Opaque

15 x 8.8 mm

$ 11.30

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13.21ct Multicolor Boulder Opal, Fancy, Opaque

13.21ct Multicolor Boulder Opal, Fancy, Opaque

14 x 14 mm (calibrated)

$ 101.31

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1.20ct Multicolor Opal, Oval, Translucent

1.20ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 37.75

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0.44ct Multicolor Chocolate Opal, Oval, Translucent

0.44ct Multicolor Chocolate Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 14.46

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0.69ct Multicolor Opal, Oval, Opaque

0.69ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 20.62

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19.83ct Multicolor Boulder Opal, Trillion, Opaque

19.83ct Multicolor Boulder Opal, Trillion, Opaque

22.8 x 21.2 mm

$ 65.18

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

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate
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