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12.06 ct Green Cat's Eye Opal Gemstone, Cat's Eye Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
12.06 ct Green Cat's Eye Opal Stone, Natural Cat's Eye Opal in Oval Cabochon Shape for Sale Cat's Eye Opal Gemstone in 18 x 13 mm (calibrated) Size for Sale, Cat's Eye Opal Stone in Grayish Green Color

12.06ct Grayish Green Cat's Eye Opal, Oval Cut, 17.7x13.2 mm

9.9 out of 10
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Cat's Eye Opal Product ID: 744766
Type: Cat's Eye Opal
Cat's Eye Opal Weight: 12.06 ct Cat's Eye Opal 1 gem
Cat's Eye Opal Size: 18 x 13 mm calibrated Cat's Eye Opal
Cat's Eye Opal Size: 17.7 x 13.2 x 9.8 mm Cat's Eye Opal
Cat's Eye Opal Exact Size: 17.67 x 13.16 x 9.80 mm
Length x Width x Depth
Cat's Eye Opal Shape: Oval Cabochon Cat's Eye Opal
Cat's Eye Opal Color: Grayish Green Cat's Eye Opal
Cat's Eye Opal Clarity: Opaque Cat's Eye Opal
Cat's Eye Opal Treatment: Untreated
Cat's Eye Opal Origin: Brazil Cat's Eye Opal
Content: 1 pc
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Product Description

This is a 12.06 carat natural grayish green Cat's Eye Opal gem, 1 pc in oval shape with an exact size of 17.67 x 13.16 x 9.80 mm. This loose Cat's Eye Opal gemstone was mined in Brazil and its clarity is Opaque. No treatment has been applied on this natural Cat's Eye Opal stone

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

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 have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
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Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
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