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 |
5.03ct Multicolor Chocolate Opal, Round, Transparent
14 mm (calibrated)
$ 150.90
0.64ct Multicolor Opal, Round, Opaque
7 mm (calibrated)
$ 25.34
0.89ct Multicolor Opal, Round, Opaque
7 mm (calibrated)
$ 35.24
0.71ct Multicolor Opal, Round, Transparent
6.5 mm (calibrated)
$ 17.32
2.44ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 112.73
5.72ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 211.42
6.38ctw Multicolor Black Opal, Round, Translucent
8 mm (calibrated)
$ 176.26
2.07ctw Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 61.24
1.08ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 31.94
1.81ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 50.92
5.09ctw Multicolor Opal, Round, Transparent
8 mm (calibrated)
$ 171.02
1.45ctw Multicolor Opal, Round, Translucent
5 mm (calibrated)
$ 40.79
0.85ct Multicolor Opal, Round, Translucent
6.5 mm (calibrated)
$ 25.61
1.93ctw Multicolor Opal, Round, Translucent
6 mm (calibrated)
$ 89.17
1.77ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 49.79
6.46ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 238.76
1.46ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 41.06
51.22ct Multicolor Opal, Round, Opaque
32.1 mm
$ 184.39
1.96ctw Multicolor Opal, Round, Transparent
5 mm (calibrated)
$ 55.14
8.15ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 301.22
3.19ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 89.74
5.75ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 202.91
5.36ctw Multicolor Opal, Round, Transparent
8 mm (calibrated)
$ 180.10
0.52ct Multicolor Opal, Round, Opaque
6 mm (calibrated)
$ 20.59
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 -> 9 
It was a good experience looking for and finding a nice amethyst stone
Overall Rating -> 10 
I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.
Overall Rating -> 10
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
Overall Rating -> 10
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Overall Rating -> 10
It was easy to navigate
Overall Rating -> 10
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
