Created and signed by Augustine Largo, the ring is size 9-1/2", 1-1/2" long and 1" wide. Royston Turquoise is mined near Tonopah, Nevada. It's known for a variety of colors within a single stone: deep green, pale blue, and a matrix that ranges from gold to dark brown. Royston is one of the hardest Turquoise stones. It is increasingly rare and difficult to find.Comes with a biography of Augustine Largo and our monograph on Turquoise. Price: $300.00