Gold in spot transactions increased 0.2% to $1839.39 an ounce, up about 1.6% during the week so far, while US gold futures rose 0.2% to $1844.80.
The dollar index fell 0.2%, heading for its first weekly loss since January, making the yellow metal less expensive for buyers of other currencies.
As for other precious metals, silver increased in spot transactions by 0.5% to $21 an ounce, platinum rose 0.4% to $963.90, and palladium rose 0.4%, recording $1,454.99.