Gold prices declined after reaching their highest level in a week during the previous session, due to the dollar regaining some strength, making dollar-priced bullion more expensive for overseas buyers. Spot gold fell by 0.2 percent to $1813.55, after rising more than one percent yesterday due to a decline in the dollar. U.S. gold futures dropped by 0.1 percent to $1823.60. The dollar index increased by 0.1 percent, following a decline in the previous session.