Saigon Jewelry Company gold bar went up 1.42% to VND121 million (US$4,660.39) per tael. A tael equals 37.5 grams or 1.2 ounces.
Gold ring gained 0.88% to VND115 million per tael.
Gold has risen nearly 44% so far this year.
Globally gold prices rose to their highest in more than a week as the dollar weakened and investors sought safety amid U.S. fiscal uncertainty, with Congress debating a sweeping tax bill, Reuters reported.
Spot gold was up 0.5% at $3,305.39 an ounce, after hitting its highest level since May 12 earlier in the session.
Gold, traditionally considered a safe-haven asset during political and economic uncertainty, tends to thrive in a low-rate environment.
"Over the medium- to longer-term, further upside in gold is favoured, though if any positive trade-deal headlines arise this could be an obstacle for gold in attempting to reclaim the $3,500 level," said KCM Trade Chief Market Analyst Tim Waterer.