Yellow Opal with Cat's Eye

Now these are unusual: Yellow Opal with a cat's eye phenomenon. (note, light not picking up the eye on both when photographing, but both equally display the eye).

Weight: 12.50 ct (total)

Measurements: 12 mm diameter

SET:  See them here:   https://www.disegnojewellery.ca/collections/solo-uno/products/the-cats-eye