Magnificent turquoise and Sterling cluster ring adjustable currently a size 7

A great ring featuring 7 natural turquoise stones in various sizes and shades of blue
Ring face measures 1.5" tall x 1 1/8" wide
Made adjustable the beautifully stamped band measures 1/2" wide tapering to 1/8" on adjustable end
Weighs 17.1 grams
Good condition
Tests as Sterling