upgrading zaka

[Leetus]

so anyway i want to my upgrade my zaka from gilded shield to zakarum shield but it has 1 socket and um rune in it. will i lose the socket and the um if i upgrade it ?

[CanICallYouBob]

from battle.net/diablo2exp/:
1 Ko Rune + 1 Lem Rune + 1 Perfect Diamond + Exceptional Unique Armor = Elite Version of Armor (Single Player, Ladder Only)
/.../ Also if the item is socketed, then jewels or runes and their mods will also remain. /.../