Saigon Jewelry Company gold bar added 1.09% to VND186.1 million (US$7,088.05) per tael. A tael equals 37.5 grams or 1.2 ounces.
Gold ring also went up 1.09% to VND186.1 million per tael. Gold prices in Vietnam have risen 22% so far this year.
Globally gold prices increased on Tuesday, supported by a weaker dollar and easing energy costs after U.S. President Donald Trump suggested the war in the Middle East could end soon, Reuters reported.
Respite from a potential war-driven surge in inflation would likely reduce the chances of central banks raising interest rates, a positive for non-yielding gold.
Spot gold rose 0.8% to $5,179.52 per ounce. U.S. gold futures for April delivery rose 1.7% to $5,188.70.
The dollar fell 0.4%, making greenback-priced bullion cheaper for holders of other currencies.
Gold is seen as an inflation hedge, but low rates reduce the opportunity cost of holding it as a zero-yield asset.