First of all, gold can be divided into pure gold, k gold and hard gold. Pure gold refers to gold with a gold content of more than 99%, which is soft and dark yellow. K gold is divided into 1K ~ 24K, and the common K gold is 18k gold, 20k gold and 22k gold. Hard gold is gold produced by electroplating process, which has the characteristics of high hardness and wear resistance. The price of gold jewelry of domestic jewelry brands is not uniform, with high and low. Many friends don't understand, isn't there an international standard gold price? Why is the price of gold jewelry of each brand different? In fact, the price of gold jewelry of each jewelry brand is increased by 15% to 30% on the basis of the international gold price, plus a certain manual fee. /kloc-The difference between 0/5% and 30% is the difference between jewelry brands.