It could be, yes. But i woudnt recommend it. I had a non-eth vortex shield with 710 def. This one, the max you could get is like 500 or so.

EXILE:
15% Chance To Cast Level 5 Life Tap On Striking
Level 13-16 Defiance Aura When Equipped (varies)
+2 To Offensive Auras (Paladin Only)
+30% Faster Block Rate
Freezes Target
+220-260% Enhanced Defense (varies)
Replenish Life +7
+5% To Maximum Cold Resist
+5% To Maximum Fire Resist
25% Better Chance Of Getting Magic Items
Repairs 1 Durability in 4 Seconds