In order to determine the value of a gold nugget that weighs 6 ounces, you have to consider the current value of gold on the exchange. In 2009, 1 ounce of gold was determined to be valued at approximately at $38. But when buying gold nuggets, the value is increased by anywhere between 10% and 25%. The percentage of the increase is based on the smoothness, quality and aesthetic appeal of the Gold Nugget