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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
14.98ct Multicolor Boulder Opal, Cushion, Opaque

14.98ct Multicolor Boulder Opal, Cushion, Opaque

20.2 x 13.9 mm

$ 87.03

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7.14ct Multicolor Black Opal, Oval, Translucent

7.14ct Multicolor Black Opal, Oval, Translucent

19.9 x 12.1 mm

$ 177.79

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1.01ct Multicolor Chocolate Opal, Oval, Translucent

1.01ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 33.20

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1.25ct Multicolor Opal, Pear Shape, Translucent

1.25ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 25.11

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21.82ct Multicolor Boulder Opal, Cushion, Opaque
Boulder Opal Product Video (627639)

21.82ct Multicolor Boulder Opal, Cushion, Opaque

20.7 x 16.1 mm

$ 167.34

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22.12ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (634610)

22.12ct Multicolor Boulder Opal, Oval, Opaque

27.5 x 12.8 mm

$ 154.22

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3.34ct Multicolor Opal, Fancy, Translucent

3.34ct Multicolor Opal, Fancy, Translucent

13.1 x 9.5 mm

$ 93.14

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30.50ct Multicolor Boulder Opal, Pear Shape, Translucent
Boulder Opal Product Video (523672)

30.50ct Multicolor Boulder Opal, Pear Shape, Translucent

30 x 22 mm (calibrated)

$ 167.08

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2.71ct Red Fire Opal, Oval, Transparent
Fire Opal Product Video (675394)

2.71ct Red Fire Opal, Oval, Transparent

11.9 x 9.2 mm

$ 72.72

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34.16ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (410119)

34.16ct Multicolor Boulder Opal, Oval, Opaque

23.4 x 19.6 mm

$ 262.36

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20.80ct Multicolor Boulder Opal, Fancy, Opaque

20.80ct Multicolor Boulder Opal, Fancy, Opaque

32.3 x 16.8 mm

$ 113.94

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50.36ct Multicolor Opal, Oval, Opaque

50.36ct Multicolor Opal, Oval, Opaque

36.9 x 27 mm

$ 125.40

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41.37ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (522985)

41.37ct Multicolor Boulder Opal, Oval, Opaque

30 x 22 mm (calibrated)

$ 226.63

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38.88ct Green Cat'S Eye Opal, Oval, Opaque

38.88ct Green Cat'S Eye Opal, Oval, Opaque

25.1 x 20.8 mm

$ 96.81

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1.84ct Multicolor Opal, Marquise, Transparent

1.84ct Multicolor Opal, Marquise, Transparent

13.8 x 6.7 mm

$ 64.14

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1.90ct Multicolor Chocolate Opal, Oval, Translucent

1.90ct Multicolor Chocolate Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 62.45

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3.26ct Yellow Cat'S Eye Opal, Oval, Opaque

3.26ct Yellow Cat'S Eye Opal, Oval, Opaque

11.6 x 6.8 mm

$ 9.74

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35.99ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (575226)

35.99ct Multicolor Boulder Opal, Fancy, Opaque

45 x 23.8 mm

$ 107.53

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5.36ct Multicolor Black Opal, Cushion, Opaque

5.36ct Multicolor Black Opal, Cushion, Opaque

12 x 12 mm (calibrated)

$ 160.16

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4.44ct Multicolor Opal, Pear Shape, Transparent

4.44ct Multicolor Opal, Pear Shape, Transparent

13 x 13 mm (calibrated)

$ 92.13

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37.98ct Multicolor Opal, Pear Shape, Opaque
Opal Product Video (667934)

37.98ct Multicolor Opal, Pear Shape, Opaque

30 x 22 mm (calibrated)

$ 94.57

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16.81ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (628411)

16.81ct Multicolor Boulder Opal, Fancy, Opaque

28.8 x 13.1 mm

$ 83.71

View Gem
21.16ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (678766)

21.16ct Multicolor Boulder Opal, Fancy, Opaque

25.6 x 16.9 mm

$ 105.38

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48.08ct Multicolor Opal, Pear Shape, Opaque

48.08ct Multicolor Opal, Pear Shape, Opaque

40.1 x 27.1 mm

$ 143.66

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

It was great experience

Posted By Online Shopper in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
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 -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy the ease or ordering

Posted By Online Shopper in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

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