The precious metal traded in a narrow range ahead of the Federal Reserve policy meeting that may provide clues on the timing of the data-dependent first rate hike. U.S. economic data on Monday showed weakness in industrial production despite recent strong data on retail sales, employment, consumer and small business confidence.
Recently prices were upbeat amid uncertainty about Greece debt talks.
Spot gold was up 0.5% at $1,186.60 an ounce, while US gold futures for August delivery gained $6.60 an ounce at $1,185.80.