The current price of a Jah Rune is 45 - 50 fg (d2jsp forum gold) and the equivalent in rune value is 9x Ist - 17x Ist.
Rune Information
Jah RuneCan be Inserted into Socketed ItemsWeapons: Ignore Target's DefenseArmors: Increase Maximum Life 5%Helms: Increase Maximum Life 5%Shield: +50 to LifeRequired Level: 65