Huge 1970s Turquoise Nugget Ring

Knuckle to knuckle sterling silver and turquoise ring Navajo style leaf applique and twisted rope design  Two turquoise nuggets with aged coloring (may have been stabilized/dyed)One bright blue one dark green stone  Size: 5 - 5.5Face height: 1.5 in (4 cm)Face width: 1 in (2.5 cm)Weight: 14.4 grams Probably dates to the 1970s Appears to be handmade and Navajo in origin, but is unsigned and tribal affiliation has not been verified Vintage condition with lots of patina and aged stone color