Sacombank Jewelry Company bought the metal at VND37.16 million and sold at VND37.29 million as of 8:15 am local time.
Saigon Jewelry Company, the biggest gold shop in Vietnam, purchased gold at VND37.15 million and sold at VND37.20 million at the same time.
Meanwhile, Hanoi-based Phu Quy Jewelry bought SJC-brand gold at VND37.2 million and sold at VND37.34 million as of 9 am local time.
Trading on bullion market improved owing to information that people are allowed to trade and own gold bars.
Internationally, gold escalated as investors sought for metal as a safe-haven investment channel in wartime.
In Asia, gold for immediate delivery gained as much as US$8 an ounce, or 0.6 percent, to $1,427.5 an ounce this morning.
The metal was traded at $1,428.2 an ounce at 9:10 am Vietnamese time.
Holdings at SPDR Gold Trust increased by 9 metric tons to 1,226.395 metric tons, the highest level since February 9.
Domestically, the US dollar exchange rate rose by VND10 per dollar over last weekend at commercial banks.
State-owned Vietcombank bought the greenback at VND20,875, and sold at VND20,880.< body="">