Round Opal Gemstones
Discover natural round opal gemstones, precision-cut for brilliance and perfect symmetry in fine jewelry designs.
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Bi-color
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Black
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Blue
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Brown
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Golden
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Gray
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Green Round Opal Gems
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Multicolor Round Opal Gems
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Orange Round Opal Gems
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Pink
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Purple
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Red
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Turquoise
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
2.07ctw Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 50.83
5.03ct Multicolor Chocolate Opal, Round, Transparent
14 mm (calibrated)
$ 125.25
0.82ct Multicolor Opal, Round, Opaque
7 mm (calibrated)
$ 26.95
0.64ct Orange Fire Opal, Round, Transparent
6 mm (calibrated)
$ 22.31
1.34ctw Multicolor Opal, Round, Translucent
6 mm (calibrated)
$ 51.39
1.33ct Multicolor Black Opal, Round, Opaque
8 mm (calibrated)
$ 33.61
6.46ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 198.17
3.18ct Multicolor Black Opal, Round, Transparent
11 mm (calibrated)
$ 92.64
12.24ct Multicolor Fire Opal, Round, Opaque
15 mm (calibrated)
$ 61.20
1.62ct Multicolor Black Opal, Round, Translucent
9 mm (calibrated)
$ 40.93
3.19ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 74.48
1.57ct Multicolor Black Opal, Round, Opaque
9 mm (calibrated)
$ 39.67
11.06ct Multicolor Black Opal, Round, Opaque
15 mm (calibrated)
$ 458.99
1.92ctw Multicolor Opal, Round, Translucent
5 mm (calibrated)
$ 44.83
5.56ctw Multicolor Opal, Round, Transparent
8 mm (calibrated)
$ 170.57
1.22ct Multicolor Opal, Round, Opaque
8 mm (calibrated)
$ 40.10
0.64ct Multicolor Opal, Round, Opaque
7 mm (calibrated)
$ 21.03
0.86ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 17.65
5.36ctw Multicolor Opal, Round, Transparent
8 mm (calibrated)
$ 149.48
1.08ct Multicolor Black Opal, Round, Translucent
8 mm (calibrated)
$ 27.29
11.36ctw Multicolor Opal, Round, Transparent
8.5 mm (calibrated)
$ 348.49
8.47ctw Multicolor Opal, Round, Translucent
10 mm (calibrated)
$ 236.21
1.96ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 45.77
1.69ct Multicolor Black Opal, Round, Opaque
9.5 mm (calibrated)
$ 42.70
Why Buy Round Opal Gems 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 Round Opal Gemstones
Our round opal gemstones are 100% natural and carefully selected for color, play-of-color, and cutting quality, making them ideal for fine jewelry and collections.
Round Cut Opals for Jewelry
The round cut is one of the most versatile shapes in jewelry, offering excellent brilliance and balance. Round opals are especially popular for rings, earrings, and pendants.
Loose Round Opal Stones
Buying loose round opal stones allows complete design freedom. Choose the size, color pattern, and transparency that best fits your custom jewelry project.
Calibrated Round Opals
Calibrated round opals are available in standard sizes such as 5 mm, 6 mm, and 7 mm, making them easy to set into pre-made jewelry settings.
Play-of-Color in Round Opals
Round opals showcase play-of-color beautifully, with flashes of red, green, blue, and orange distributed evenly across the stone’s surface.
Round Opals for Custom Rings
The symmetrical shape of round opals makes them a favorite for engagement rings and statement rings, offering a balanced and elegant appearance.
Wholesale Round Opal Gemstones
We offer wholesale round opal gemstones for jewelers and designers, with competitive pricing on multi-stone and bulk purchases.
Learn more about opal types, properties, and care on our Opal Information Page.
FAQs
Are your round opal gemstones natural?
Yes, all round opal gemstones sold by GemSelect are 100% natural, with any treatments fully disclosed.
What jewelry is best suited for round opals?
Round opals are ideal for rings, earrings, pendants, and engagement-style designs due to their symmetry and balanced appearance.
Do you sell calibrated round opals?
Yes, we offer calibrated round opals in standard millimeter sizes to fit common jewelry settings.
How durable are round opal gemstones?
Opals typically rank 5.5-6.5 on the Mohs scale, making them suitable for jewelry with proper care and protective settings.
Can I buy round opal gemstones in bulk?
Yes, bulk and wholesale options are available for jewelers and collectors looking for multiple matching round opal stones.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
Enjoy viewing the selections. Excellent product
Overall Rating -> 10
It was all good
Overall Rating -> 9 
Will know more once order received
Overall Rating -> 10
GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!
Overall Rating -> 10
Had a great experience and the prices are great
Overall Rating -> 10
good navigation and simple interface.
