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 |
41.37ct Multicolor Boulder Opal, Oval, Opaque
30 x 22 mm (calibrated)
$ 273.05
12.07ct Multicolor Boulder Opal, Oval, Opaque
27.4 x 9.9 mm
$ 101.39
33.71ct Multicolor Boulder Opal, Fancy, Opaque
32.6 x 22.1 mm
$ 222.49
7.14ct Multicolor Black Opal, Oval, Translucent
19.9 x 12.1 mm
$ 214.20
34.16ct Multicolor Boulder Opal, Oval, Opaque
23.4 x 19.6 mm
$ 316.10
28.58ct Multicolor Boulder Opal, Oval, Opaque
23.1 x 18.5 mm
$ 240.07
30.94ct Multicolor Boulder Opal, Fancy, Opaque
25.4 x 20.1 mm
$ 204.20
1.90ct Multicolor Chocolate Opal, Oval, Translucent
13 x 9 mm (calibrated)
$ 75.24
25.30ct Multicolor Boulder Opal, Oval, Opaque
29.7 x 13.5 mm
$ 212.52
20.55ct Multicolor Boulder Opal, Pear Shape, Opaque
31.9 x 16.1 mm
$ 135.64
37.98ct Multicolor Opal, Pear Shape, Opaque
30 x 22 mm (calibrated)
$ 113.94
17.03ct Multicolor Boulder Opal, Fancy, Opaque
26.9 x 13.5 mm
$ 112.40
13.00ct Multicolor Opal, Pear Shape, Opaque
19.4 x 13.6 mm
$ 33.54
22.12ct Multicolor Boulder Opal, Oval, Opaque
27.5 x 12.8 mm
$ 185.81
4.38ct Multicolor Opal, Trillion, Translucent
12.5 x 12.3 mm
$ 131.40
24.07ct Multicolor Boulder Opal, Fancy, Opaque
22.2 x 18.7 mm
$ 144.42
21.82ct Multicolor Boulder Opal, Cushion, Opaque
20.7 x 16.1 mm
$ 201.61
6.68ct Multicolor Black Opal, Marquise, Opaque
20 x 10 mm (calibrated)
$ 240.48
0.64ct Multicolor Chocolate Opal, Round, Translucent
6 mm (calibrated)
$ 21.12
1.43ctw Multicolor Opal, Oval, Opaque
8 x 6 mm (calibrated)
$ 47.19
35.80ct Multicolor Boulder Opal, Fancy, Opaque
36.6 x 19.7 mm
$ 141.77
42.73ct Multicolor Boulder Opal, Oval, Opaque
27 x 20 mm (calibrated)
$ 394.82
21.39ct Multicolor Boulder Opal, Cushion, Opaque
16 x 16 mm (calibrated)
$ 197.64
17.29ct Multicolor Boulder Opal, Fancy, Opaque
27 x 17.2 mm
$ 114.12
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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 
went well
Overall Rating -> 10
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
Overall Rating -> 10
Very good place to buy gemstones
Overall Rating -> 9 
It was great!
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 10
I love the quality, package and info of your gems.
