Handcrafted Ithica Peak Turquoise Ring - Vibrant Kingman Blue - Old Stock Gemstone. Eye popping Kingman blue turquoise ring in Sterling Silver. Old stock from turquoise mountain. Ithica Peak deep blue with black webbed matrix. Elegant gift for her. This is some of Sondra's favorite stock.  The Kingman Turquoise rough was purchased from the family of an old Southwest jeweler. Several pounds were purchased with the receipt of 1980s purchase from Larry Cooley as Kingman Sample lot. This is rare to find in the rough today. It is from our private collection. The stone was cut and set by Marvin Boone of Boone Silversmith. Kingman Turquoise is one of the longest running turquoise mines in the United States. It is the last large turquoise mine left in the US. This was mined in the late 70s to earl Luxury Silver Kingman Turquoise Ring, Southwestern Multi-stone Turquoise Ring, Sterling Silver Multi-stone Turquoise Ring, Jewelry Western, Blue Gemstone Ring, One-of-a-kind Silver Turquoise Ring In Sterling Silver, Blue Multi-stone Turquoise Ring In Sterling Silver, Unique Silver Rings, Accessories Blue