Saigon Jewelry Company gold bar gained 0.67% to VND120.3 million (US$4,601.17) per tael.
Gold ring went up 0.26% to VND116.6 million per tael.
Gold has increased by 42.9% so far this year.
Globally gold rose on Tuesday, supported by a weaker dollar and heightened uncertainty over U.S. President Donald Trump's tariff policies ahead of the July 9 deadline, driving investors toward safe-haven assets, Reuters reported.
Spot gold was up 0.4% at $3,315.26 per ounce,, while U.S. gold futures rose 0.6% to $3,326.50.
"Weaker dollar and concerns about the impact if Trump's tariff deadline is not extended are supporting gold at the moment," said Nicholas Frappell, global head of institutional markets at ABC Refinery.