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
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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 |
1.08ct Multicolor Black Opal, Round, Translucent
8 mm (calibrated)
$ 27.29
0.95ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 17.67
0.82ct Multicolor Opal, Round, Opaque
6.5 mm (calibrated)
$ 26.95
0.85ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 20.87
0.82ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 20.14
6.38ctw Multicolor Black Opal, Round, Translucent
8 mm (calibrated)
$ 146.30
1.15ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 28.24
0.86ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 17.65
5.12ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 157.07
1.93ctw Multicolor Opal, Round, Translucent
6 mm (calibrated)
$ 74.01
5.72ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 175.48
1.30ct Multicolor Black Opal, Round, Opaque
8.5 mm (calibrated)
$ 33.33
4.70ct Multicolor Black Opal, Round, Opaque
12 mm (calibrated)
$ 118.75
1.22ct Multicolor Opal, Round, Opaque
8 mm (calibrated)
$ 40.10
3.01ctw Multicolor Opal, Round, Translucent
6.5 mm (calibrated)
$ 70.27
1.34ctw Multicolor Opal, Round, Translucent
6 mm (calibrated)
$ 51.39
0.82ct Multicolor Opal, Round, Opaque
7 mm (calibrated)
$ 26.95
29.81ct Multicolor Opal, Round, Opaque
26 mm
$ 89.08
4.06ct Multicolor Opal, Round, Opaque
12 mm (calibrated)
$ 121.31
3.43ctw Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 80.08
1.77ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 41.33
5.75ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 168.42
7.74ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 237.44
1.96ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 45.77
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 
All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.
Overall Rating -> 10
Great selection of gems at a reasonable price
Overall Rating -> 9 
The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.
Overall Rating -> 10
I could see the actual gem I was buying
Overall Rating -> 10
Good. I ts very user friendly.
Overall Rating -> 10
No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!
