Ort Rune + 1 Amn Rune + 1 Perfect Sapphire + Normal (Basic) Rare Weapon = Exceptional Rare Weapon
Ral Rune + 1 Thul Rune + 1 Perfect Amethyst + Normal (Basic) Rare Armor = Exceptional Rare Armor
Ko Rune + 1 Pul Rune + 1 Perfect Amethyst + Exceptional Rare Armor = Elite Rare Armor
Fal Rune + 1 Um Rune + 1 Perfect Sapphire + Exceptional Rare Weapon = Elite Rare Weapon
You know that all Horadric cube recepies are posted at
www.battle.net i assume but ...