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
0.84ct Multicolor Chocolate Opal, Round, Translucent
8 mm (calibrated)
$ 27.61
0.87ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 18.02
3.04ctw Multicolor Opal, Round, Transparent
6.5 mm (calibrated)
$ 70.97
11.36ctw Multicolor Opal, Round, Transparent
8.5 mm (calibrated)
$ 348.49
11.06ct Multicolor Black Opal, Round, Opaque
15 mm (calibrated)
$ 458.99
3.01ctw Multicolor Opal, Round, Translucent
6.5 mm (calibrated)
$ 70.27
1.77ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 41.33
1.62ct Multicolor Black Opal, Round, Opaque
9 mm (calibrated)
$ 49.31
0.95ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 17.67
1.69ct Multicolor Black Opal, Round, Opaque
9 mm (calibrated)
$ 42.70
0.85ct Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 20.87
1.46ctw Multicolor Opal, Round, Transparent
6 mm (calibrated)
$ 34.08
2.91ct Multicolor Black Opal, Round, Opaque
11 mm (calibrated)
$ 73.52
3.18ct Multicolor Black Opal, Round, Transparent
11 mm (calibrated)
$ 92.64
0.82ct Multicolor Opal, Round, Translucent
7 mm (calibrated)
$ 20.14
6.46ctw Multicolor Opal, Round, Translucent
8 mm (calibrated)
$ 198.17
2.07ctw Multicolor Opal, Round, Transparent
7 mm (calibrated)
$ 50.83
2.04ctw Multicolor Opal, Round, Translucent
5 mm (calibrated)
$ 43.29
29.81ct Multicolor Opal, Round, Opaque
26 mm
$ 89.08
1.34ct Multicolor Black Opal, Round, Opaque
8.5 mm (calibrated)
$ 33.86
0.51ct Multicolor Opal, Round, Opaque
6 mm (calibrated)
$ 16.77
0.64ct Multicolor Opal, Round, Opaque
7 mm (calibrated)
$ 21.03
9.08ct Multicolor Fire Opal, Round, Opaque
16 mm (calibrated)
$ 45.40
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 fine
Overall Rating -> 9 
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
Overall Rating -> 10 
Ia've been searching for a source to get my gemstones for awhile now and was very happy to come across this website. Amazing variety for any income.
Overall Rating -> 10
I have made many purchases from GemSelect over the years, and I have a beautiful collection of jewelry as a result. My purchases have always been exactly as described, and I have enjoyed doing business with you.
Overall Rating -> 9
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Overall Rating -> 10
Easy and good price
