Earthen Plate - 150 damage reduction, 11565 Gold
Dragonhide Leather - 75 damage reduction, 45445 Gold
Seems like its slightly out of balance with that, due to the fact that you're paying 4x as much gold for simply a boost in stamina... but with 150 damage reduction from Earthen Plate, you'll be reducing far more damage than you'll be able to tank with a Dragonhide Leather. I highly suggest they either be swapped or equalized. I'm not a pro at balance, but that's just my 2 cents.