Saigon Jewelry Company gold bar went up 2.14% to VND133.4 million (US$5,059.74) per tael.
Gold ring rose 2.08% to VND127.6 million per tael.
Gold has surged 58% in Vietnam since the beginning of the year.
Globally gold prices extended their record run on Wednesday, as persistent market uncertainty and growing investor confidence that the U.S. Federal Reserve will cut interest rates this month lifted demand for the safe-haven metal, Reuters reported.
Spot gold was up 0.1% at $3,537 per ounce after hitting an all-time of $3,546.99 earlier in the session.
U.S. gold futures for December delivery gained 0.3% to $3,602.50.
Elsewhere, spot silver eased 0.2% to $40.82 per ounce, after hitting its highest since September 2011 in the previous session.