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10.98 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Round Cabochon Shape for Sale.
Photos are of Actual Product for Sale
10.98 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Round Cabochon Shape for Sale Boulder Opal Gemstone in 16.2 mm Size for Sale, Boulder Opal Stone in Multicolor Color

10.98ct Natural Multicolor Boulder Opal, Round Cut, 16.20 mm

9.7 out of 10
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Product ID: 310809
Type: Boulder Opal
Weight: 10.98 ct 1 gem
Size: mm calibrated
Size: 16.2 mm
Exact Size: 16.20 x 5.12 mm
Diameter x Depth
Shape: Round Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Untreated
Origin: Australia
Content: 1 pc
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Product Description

This is a 10.98 carat natural multicolor Boulder Opal gem, 1 pc in round shape with an exact size of 16.20 mm x 5.12 mm . This loose Boulder Opal gemstone was mined in Australia and its clarity is Opaque. No treatment has been applied on this natural Boulder Opal stone

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate
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