Vintage Blue Gem Turquoise and Sterling Ring Size 5

Vintage Blue Gem turquoise and sterling silver ring, size 5. The stone measures 7 mm (5/16") at the widest point and is 12 mm (10/16") long. The artist's initials are faintly scored on the back of the setting. It is not hallmarked as sterling, but using the magnet method, the metal tests as sterling silver. The ring was created by an artisan jeweler in the 1970s. He also cut and polished the beautiful turquoise stone.