Gold Coins and Credit Suisse gold bar

stubborn non-reaction to Greece's default on its crucial 1.5 billion euro repayment ($1.7 billion) to the International Monetary Fund (IMF) couldn't be more disappointing to bullion bugs.

The yellow metal reversed slight gains to trade around 0.3 percent lower at $1,169 on Wednesday, despite heightened uncertainty around the fate of the heavily-indebted nation.