This is a fabulous vintage Navajo single stone silver ring. This incredible ring contains a center square shaped petrified wood stone that is chunky. Surrounding the face of the ring is a beautiful thick silver rope. This ring consists of an amazing triple silver shank that graduates into one shank towards the back. Such a beautiful ring.. The center stone measures around 19mmx19mm The ring face measures around 1-1/8" x1"⅛ The ring size is around 11 Cir. Mid century . No marks but tested as Sterling silver. Sturdy 16.1grams.