Larger denominations of gold plates: 50 grams, 100 grams, 250 grams, 500 grams, and 1 kg of gold. This 400 oz gold bar, at 2,000 per oz gold, is worth the 800,000 cash beside it. The gold bar is extremely heavy, weighing more than three full milk jugs. Here's what one tonne of gold looks like. At 2,000 per oz, it's worth million.