Early Navajo Ring with Diamond Shaped Turquoise Stone Sterling Silver Size: 5

Early Navajo ring set with a diamond shaped natural turquoise stone. 

Size: A tight size: 5 Measures 1 1/8" tall by 1" wide. Weight: 8 grams. 

No hallmarks. Shank is hand formed and cold chisel split. C. 1930. Hard to find stone shape. Tarnished. Acid tested for metal purity.