: Individual investors can purchase these from institutions like The Royal Mint or specialized dealers such as BullionStar and BullionVault. Key Investment Considerations
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 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. : Individual investors can purchase these from institutions
: While globally recognized, they are less liquid than smaller bars because they must be sold all at once; you cannot sell "half" of a 400 oz bar unless using a pooled gold service . Comparisons: Institutional vs. World Record The 400 oz "Good Delivery" Bar : To
: 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) .
: Typically around 11 inches long , with standard dimensions ranging from 210–290 mm in length and 55–85 mm in width.
: 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 .