Silver retailer Turquoise ring size 5. wonderful blue green color Nevada mine, beautiful natural stone

This is a Sterling Silver ring (not marked as such but has been tested) with a single turquoise stone, the turquoise is a nice piece with attractive webbing and color that varies from the standard blue into green. This is an uncommon color and pattern that mostly shows up in Nevada mines.
The ring is a size 5 and has a heavy double band.
It is not marked with an artist signature, nor a purity retailer marking.