: Most investment-grade kilobars have a purity of 99.99% (also known as "four nines" or 24-karat). Dimensions :
: Flatter and more polished, roughly 117mm x 53mm x 9mm . buy 1kg gold bar
: Authentic bars are stamped with a recognized hallmark, weight, purity, and a unique serial number . 2. Choose a Reputable Brand : Most investment-grade kilobars have a purity of 99
: Typically more compact, roughly 80mm x 40mm x 18mm . buy 1kg gold bar