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Home Gemstones Cat's Eye Opal
11.91 ct Yellow Cat's Eye Opal Gemstone, Cat's Eye Opal Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
11.91 ct Yellow Cat's Eye Opal Stone, Natural Cat's Eye Opal in Oval Cabochon Shape for Sale Cat's Eye Opal Gemstone in 15.5 x 13 mm Size for Sale, Cat's Eye Opal Stone in Brownish Yellow Color

11.91ct Natural Yellow Cat's Eye Opal, Oval Cut, 15.5x13 mm

9.7 out of 10
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Product ID: 484212
Type: Cat's Eye Opal
Weight: 11.91 ct 1 gem
Size: mm calibrated
Size: 15.5 x 13 x 10.1 mm
Exact Size: 15.51 x 13.03 x 10.08 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Brownish Yellow
Clarity: Opaque
Treatment: Untreated
Origin: Madagascar
Content: 1 pc
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Product Description

This is a 11.91 carat natural brownish yellow Cat's Eye Opal gem, 1 pc in oval shape with an exact size of 15.51 x 13.03 x 10.08 mm. This loose Cat's Eye Opal gemstone was mined in Madagascar and its clarity is Opaque. No treatment has been applied on this natural Cat's Eye Opal stone

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Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

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

Very food

Posted By Keeto in July, 2025
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Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
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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
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good navigation and simple interface.

Posted By Dave in April, 2026
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