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12.72 ct Green Opal Gemstone, Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
12.72 ct Green Opal Stone, Natural Opal in Oval Cabochon Shape for Sale Opal Gemstone in 17.9 x 14.4 mm Size for Sale, Opal Stone in Forest Green Color

12.72ct Natural Forest Green Opal, Oval Cut, 17.9x14.4 mm

9.6 out of 10
See Bizrate Ratings for GemSelect
Product ID: 674630
Type: Opal
Weight: 12.72 ct 1 gem
Size: mm calibrated
Size: 17.9 x 14.4 x 7.8 mm
Exact Size: 17.92 x 14.41 x 7.82 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Forest Green
Clarity: Opaque
Treatment: Untreated
Origin: Brazil
Content: 1 pc
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Product Description

This is a 12.72 carat natural forest green Opal gem, 1 pc in oval shape with an exact size of 17.92 x 14.41 x 7.82 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

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate
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Enlarged Gemstone Image