Opal Gemstones
Discover natural opal gemstones known for their unique play-of-color and endless variety.
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Bi-color
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Black Opal
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Blue
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Brown Opal
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Golden Opal
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Gray
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Green Opal
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Multicolor Opal
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Orange Opal
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Pink
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Purple
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Red Opal
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Turquoise
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Violet
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White Opal
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Yellow Opal
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
20.10ct Multicolor Boulder Opal, Cushion, Opaque
21.1 x 16.6 mm
$ 120.60
4.44ct Multicolor Opal, Pear Shape, Transparent
13 x 13 mm (calibrated)
$ 111.00
24.07ct Multicolor Boulder Opal, Fancy, Opaque
22.2 x 18.7 mm
$ 144.42
7.86ct Medium Yellow Cat's Eye Opal, Oval, Translucent
15 x 10 mm (calibrated)
$ 17.02
0.64ct Multicolor Chocolate Opal, Round, Translucent
6 mm (calibrated)
$ 21.12
15.88ct Multicolor Boulder Opal, Cushion, Opaque
23.1 x 12.2 mm
$ 133.39
6.92ct Medium Orange Cat's Eye Opal, Oval, Opaque
14 x 12 mm (calibrated)
$ 20.76
3.65ct Cream Yellow Cat's Eye Opal, Oval, Opaque
11.4 x 8.1 mm
$ 18.25
41.37ct Multicolor Boulder Opal, Oval, Opaque
30 x 22 mm (calibrated)
$ 273.05
14.98ct Multicolor Boulder Opal, Cushion, Opaque
20.2 x 13.9 mm
$ 104.86
28.58ct Multicolor Boulder Opal, Oval, Opaque
23.1 x 18.5 mm
$ 240.07
5.89ct Medium Brown Cat's Eye Opal, Oval, Translucent
13.7 x 10.5 mm
$ 38.88
17.73ct Multicolor Boulder Opal, Fancy, Opaque
23.7 x 15.3 mm
$ 106.38
3.34ct Multicolor Opal, Fancy, Translucent
13.1 x 9.5 mm
$ 112.22
35.80ct Multicolor Boulder Opal, Fancy, Opaque
36.6 x 19.7 mm
$ 141.77
12.07ct Multicolor Boulder Opal, Oval, Opaque
27.4 x 9.9 mm
$ 101.39
6.68ct Multicolor Black Opal, Marquise, Opaque
20 x 10 mm (calibrated)
$ 240.48
17.03ct Multicolor Boulder Opal, Fancy, Opaque
26.9 x 13.5 mm
$ 112.40
1.84ct Multicolor Opal, Marquise, Transparent
13.8 x 6.7 mm
$ 77.28
16.81ct Multicolor Boulder Opal, Fancy, Opaque
28.8 x 13.1 mm
$ 100.86
20.55ct Multicolor Boulder Opal, Pear Shape, Opaque
31.9 x 16.1 mm
$ 135.64
35.99ct Multicolor Boulder Opal, Fancy, Opaque
45 x 23.8 mm
$ 129.56
21.82ct Multicolor Boulder Opal, Cushion, Opaque
20.7 x 16.1 mm
$ 201.61
0.84ct Multicolor Chocolate Opal, Round, Translucent
8 mm (calibrated)
$ 33.26
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Why Buy Opal from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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.
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 
I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.
Overall Rating -> 10
Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.
Overall Rating -> 10
First time so this is an experiment! Shopping is so fun on this site, though!
Overall Rating -> 10
The website was very easy to use.
Overall Rating -> 10
hassle free experience.
Overall Rating -> 10
I love the product and the details about each of them.
