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 |
0.64ct Multicolor Chocolate Opal, Round, Translucent
6 mm (calibrated)
$ 17.53
0.87ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 18.02
0.84ct Multicolor Chocolate Opal, Round, Translucent
8 mm (calibrated)
$ 27.61
3.04ctw Multicolor Opal, Round, Transparent
6.5 mm (calibrated)
$ 70.97
1.77ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 41.33
1.62ct Multicolor Black Opal, Round, Opaque
8.5 mm (calibrated)
$ 49.31
1.46ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 34.08
1.41ct Orange Opal, Round, Translucent
8 mm (calibrated)
$ 37.29
1.95ctw Multicolor Opal, Round, Translucent
6 mm (calibrated)
$ 74.78
5.09ctw Multicolor Opal, Round, Transparent
8 mm (calibrated)
$ 141.95
6.67ctw Multicolor Opal, Round, Transparent
8 mm (calibrated)
$ 186.01
8.39ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 257.37
11.65ct Multicolor Boulder Opal, Round, Opaque
17 mm (calibrated)
$ 81.22
4.55ct Multicolor Black Opal, Round, Opaque
12 mm (calibrated)
$ 135.95
1.05ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 25.78
0.75ct Multicolor Black Opal, Round, Opaque
7.5 mm (calibrated)
$ 18.95
1.94ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 41.18
5.72ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 175.48
0.53ct Multicolor Opal, Round, Opaque
6 mm (calibrated)
$ 17.42
1.15ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 28.24
3.15ctw Multicolor Opal, Round, Translucent
6 mm (calibrated)
$ 73.55
5.12ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 157.07
3.72ct Multicolor Black Opal, Round, Translucent
11.5 mm
$ 108.37
0.95ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 17.67
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 -> 8 
It was a good interaction I got a good gemstone for cheap
Overall Rating -> 9 
Will know more once order received
Overall Rating -> 10 
All good
Overall Rating -> 9
They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!
Overall Rating -> 10
Recomendado Totalmente Los Productos Se Entregaron A Tiempo
Overall Rating -> 10
Easy process.
