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Home Gemstones Opal
8.21 ct Green Opal Gemstone, Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
8.21 ct Green Opal Stone, Natural Opal in Oval Cabochon Shape for Sale Opal Gemstone in 18.5 x 12.5 mm Size for Sale, Opal Stone in Medium Green Color

8.21ct Natural Green Opal, Oval Cut, 18.5x12.5 mm

9.7 out of 10
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Product ID: 675199
Type: Opal
Weight: 8.21 ct 1 gem
Size: mm calibrated
Size: 18.5 x 12.5 x 6.3 mm
Exact Size: 18.49 x 12.45 x 6.31 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Medium Green
Clarity: Opaque
Treatment: Untreated
Origin: Brazil
Content: 1 pc
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Product Description

This is a 8.21 carat natural medium green Opal gem, 1 pc in oval shape with an exact size of 18.49 x 12.45 x 6.31 mm. This loose Opal gemstone was mined in Brazil and its clarity is Opaque. No treatment has been applied on this natural Opal stone

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Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
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Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
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Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
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Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
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Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
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Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
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