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11.81 ct Green Opal Gemstone, Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
11.81 ct Green Opal Stone, Natural Opal in Oval Cabochon Shape for Sale Opal Gemstone in 17.9 x 13.7 mm Size for Sale, Opal Stone in Earth Green Color

11.81ct Natural Earth Green Opal, Oval Cut, 17.9x13.7 mm

9.8 out of 10
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Opal Product ID: 675221
Type: Opal
Opal Weight: 11.81 ct Opal 1 gem
Opal Size: mm calibrated Opal
Opal Size: 17.9 x 13.7 x 8.3 mm Opal
Opal Exact Size: 17.91 x 13.67 x 8.25 mm
Length x Width x Depth
Opal Shape: Oval Cabochon Opal
Opal Color: Earth Green Opal
Opal Clarity: Opaque Opal
Opal Treatment: Untreated
Opal Origin: Brazil Opal
Content: 1 pc
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Product Description

This is a 11.81 carat natural earth green Opal gem, 1 pc in oval shape with an exact size of 17.91 x 13.67 x 8.25 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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GemSelect Certified Store Reviews

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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
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
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Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
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Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate
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