Vintage Native American Navajo Blue Coral Sterling Silver Ring. Please MAKE US AN OFFER A marvelous vintage Navajo silver ring. The coral sets as a flowers, silver rope and beads separate and accent! The ring face measures around 1-1/8″ x 3/4″. The ring size is around 6 1/2. Sturdy over 20 grams. Cir Mid Century or Older.