Since there are variety of websites offering virtual currency online and some of their price is much lower than Ige(also low service cuz they are basically not english speakers, however they are quite patient and friendly),
eg:trade4game
yoursuperseller
gameball
gamegiggs
Prices there are quite low, the simple way to do business with them is to pay and take the gold you buy, no more talk to their staffs.

Hey guess what I found! I wanted to buy gold and saw oloot.com
They have power leveling!

12. Trading in Games
You may not post trades of game accounts, in-game items for real money, and/or trading an item in one game for an item in another game. You may post normal trades that stay with-in a game with stuff in the game.