Turquoise Coral Navajo Indian Sterling Silver Ring Size 10-1/2 EX25215 MATERIALS: Sterling silver, Turquoise, and Coral. MEASUREMENTS: Ring is size 10-1/2, it measures approximately 3/4" long and 7/8" wide. Southwestern Jewelry Turquoise Coral Navajo Indian Sterling Silver Ring Size 10-1/2 EX25215