This bar is the primary format used by central banks and for wholesale trading on the London Bullion Market.
: At a gold price of roughly $2,500 per ounce, a single bar is worth $1,000,000 . By early 2026, market projections suggested values exceeding $2 million per bar . largest gold bar you can buy
: To maintain "Good Delivery" status and maximize resale value, these bars are typically kept in accredited professional vaults . If you take physical delivery personally, the bar may need expensive re-assaying before a dealer will buy it back. This bar is the primary format used by
: Typically around 11 inches long , with standard dimensions ranging from 210–290 mm in length and 55–85 mm in width. : To maintain "Good Delivery" status and maximize
: Nominally 400 troy ounces (approx. 12.4 kg or 27.4 lbs), though actual weight can vary between 350 and 430 troy ounces . It must have a minimum purity of 99.5% (995 fineness) .
: Because of the massive volume, these bars offer the lowest cost per ounce compared to smaller 1 oz or 1 kg bars.
The largest standard gold bar you can purchase is the . While larger custom bars exist for museum display, the 400 oz bar is the global benchmark for institutional trading and is available to high-net-worth individual investors through major mints and bullion dealers. The 400 oz "Good Delivery" Bar