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Home Gemstones Opal
16.51 ct Green Opal Gemstone, Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
16.51 ct Green Opal Stone, Natural Opal in Oval Cabochon Shape for Sale Opal Gemstone in 19.6 x 16.1 mm Size for Sale, Opal Stone in Earth Green Color

16.51ct Natural Green Opal, Oval Cut, 19.6x16.1 mm

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Product ID: 675198
Type: Opal
Weight: 16.51 ct 1 gem
Size: mm calibrated
Size: 19.6 x 16.1 x 9 mm
Exact Size: 19.55 x 16.14 x 8.98 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Earth Green
Clarity: Opaque
Treatment: Untreated
Origin: Brazil
Content: 1 pc
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Product Description

This is a 16.51 carat natural earth green Opal gem, 1 pc in oval shape with an exact size of 19.55 x 16.14 x 8.98 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

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Posted By Mel in February, 2026
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Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
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Overall Rating -> 9 star ratings

Will know more once order received

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Very good.

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It was fine

Posted By Na in April, 2026
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It was easy to navigate

Posted By GemGod in July, 2025
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