Value. Dragon and phoenix pattern 15g gold ingot can be sold for 2700 if it is made of pure gold and six to seven grams are hollow. If it is a solid investment gold ingot, the smallest is 50g, which is very valuable. Gold ingot: its foreign language meaning is equivalent to gold coin, which refers to ancient currency made of precious gold. In the history of China's currency, gold and silver were officially called Yuanbao, which began in the Yuan Dynasty.