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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
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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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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30.94ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (521754)

30.94ct Multicolor Boulder Opal, Fancy, Opaque

25.4 x 20.1 mm

$ 169.49

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0.87ct Multicolor Opal, Round, Transparent
Opal Product Video (540981)

0.87ct Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 18.02

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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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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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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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3.34ct Multicolor Opal, Fancy, Translucent

3.34ct Multicolor Opal, Fancy, Translucent

13.1 x 9.5 mm

$ 93.14

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5.89ct Brown Cat'S Eye Opal, Oval, Translucent

5.89ct Brown Cat'S Eye Opal, Oval, Translucent

13.7 x 10.5 mm

$ 32.27

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20.80ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (522410)

20.80ct Multicolor Boulder Opal, Fancy, Opaque

32.3 x 16.8 mm

$ 113.94

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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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15.88ct Multicolor Boulder Opal, Cushion, Opaque

15.88ct Multicolor Boulder Opal, Cushion, Opaque

23.1 x 12.2 mm

$ 110.71

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0.89ctw Multicolor Opal, Oval, Transparent

0.89ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 203.14

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19.94ct Multicolor Boulder Opal, Marquise, Opaque

19.94ct Multicolor Boulder Opal, Marquise, Opaque

36.4 x 16.3 mm

$ 109.23

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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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20.10ct Multicolor Boulder Opal, Cushion, Opaque

20.10ct Multicolor Boulder Opal, Cushion, Opaque

21.1 x 16.6 mm

$ 100.10

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33.71ct Multicolor Boulder Opal, Fancy, Opaque
Boulder Opal Product Video (523722)

33.71ct Multicolor Boulder Opal, Fancy, Opaque

32.6 x 22.1 mm

$ 184.67

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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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42.73ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (322037)

42.73ct Multicolor Boulder Opal, Oval, Opaque

27 x 20 mm (calibrated)

$ 327.70

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3.65ct Yellow Cat'S Eye Opal, Oval, Opaque

3.65ct Yellow Cat'S Eye Opal, Oval, Opaque

11.4 x 8.1 mm

$ 15.15

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4.57ct Yellow Cat'S Eye Opal, Oval, Opaque

4.57ct Yellow Cat'S Eye Opal, Oval, Opaque

12.2 x 9 mm

$ 25.04

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4.38ct Multicolor Opal, Trillion, Translucent

4.38ct Multicolor Opal, Trillion, Translucent

12.5 x 12.3 mm

$ 109.06

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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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20.55ct Multicolor Boulder Opal, Pear Shape, Opaque

20.55ct Multicolor Boulder Opal, Pear Shape, Opaque

31.9 x 16.1 mm

$ 112.58

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

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Had to get here via the Facebook page. Googling direct brought up an error message.

Posted By Chip in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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