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Round Opal Gemstones

Discover natural round opal gemstones, precision-cut for brilliance and perfect symmetry in fine jewelry designs.

Round Opal Gems Weight
Round Opal Gems Size
Round Opal Gems Clarity
Round Opal Gems Price

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
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Multicolor Round Opal Gems
Orange Round Opal Gems
Pink
Purple
Red
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White
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Single
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5.49ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 184.46

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1.10ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 32.54

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4.55ct Multicolor Black Opal, Round, Opaque

12 mm (calibrated)

$ 163.80

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1.41ct Fire Orange Opal, Round, Translucent

8 mm (calibrated)

$ 44.93

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2.11ctw Multicolor Opal, Round, Transparent

6 mm (calibrated)

$ 59.35

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0.89ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 26.32

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26.71ct Multicolor Opal, Round, Opaque

22.5 mm

$ 1,602.60

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11.65ct Multicolor Boulder Opal, Round, Opaque

17 mm (calibrated)

$ 97.86

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11.73ct Multicolor Boulder Opal, Round, Translucent

19 mm (calibrated)

$ 98.53

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0.82ct Multicolor Opal, Round, Opaque

7 mm (calibrated)

$ 32.47

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0.82ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 24.26

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1.95ctw Multicolor Opal, Round, Translucent

6 mm (calibrated)

$ 90.10

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6.07ctw Multicolor Opal, Round, Translucent

8 mm (calibrated)

$ 224.35

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Why Buy Round Opal Gems from GemSelect?

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.

Round Opal Gemstones for Jewelry Making

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 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate
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