"The trade war is going on and it is getting worse, so that might be the reason that people are selling dollar and buying gold," said Yuichi Ikemizu at ICBC Standard Bank in Tokyo.
Gold fell 1.7 percent last week in its biggest such drop since early December. But the precious metal climbed 1.7 percent in January-March, posting its third straight quarterly gain.
The dollar index, which measures the greenback against six other major currencies, eased 0.2 percent to 89.988.
Hedge funds and money managers increased their net long positions in COMEX gold contracts in the week to March 27, U.S. Commodity Futures Trading Commission data showed on Friday.
Gold speculators raised their net long position by 50,996 contracts to 172,834 contracts, CFTC data showed.
In other precious metals, spot silver climbed 1.61 percent to $16.58 per ounce.
Platinum rose 0.38 percent to $931.50 per ounce, having fallen to its lowest since end-December in the previous session.
Palladium was down 1.95 percent at $931.20 an ounce after falling to $938.22 on Thursday, its lowest level since Oct. 11.