Early Natural Turquoise Ring in Sterling Silver Navajo Size: 6

Vintage sterling silver Navajo ring set with an outstanding natural turquoise stone with large nodules with lighter seafoam green matrix. The face of the ring measures 7/8" by 1". Size: 6 The shank is fine and hand chisel split. Weight: 9 grams. Black with tarnish. Stone is diamond shaped and sits on the finger on the diagonal.