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Home Gemstones Opal
10.83 ct Green Opal Gemstone, Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
10.83 ct Green Opal Stone, Natural Opal in Oval Cabochon Shape for Sale Opal Gemstone in 21.3 x 13.6 mm Size for Sale, Opal Stone in Warm Green Color

10.83ct Natural Green Opal, Oval Cut, 21.3x13.6 mm

9.7 out of 10
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Product ID: 675195
Type: Opal
Weight: 10.83 ct 1 gem
Size: mm calibrated
Size: 21.3 x 13.6 x 5.9 mm
Exact Size: 21.27 x 13.57 x 5.87 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Warm Green
Clarity: Opaque
Treatment: Untreated
Origin: Brazil
Content: 1 pc
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Product Description

This is a 10.83 carat natural warm green Opal gem, 1 pc in oval shape with an exact size of 21.27 x 13.57 x 5.87 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

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate
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Enlarged Gemstone Image