By the way, under normal circumstances, the pricing of gold (platinum) jewelry in Hong Kong includes three parts;
A: The price of gold on that day × the weight of jewelry (in Hongkong, the weight unit is Sima Liang).
B = A * 2% (this seems to be the requirement of the Hong Kong Gold Association)
C: Artificial. Also called manual fee. Pricing is based on the weight of jewelry and the difficulty of craftsmanship. Generally, this manual fee can be cut off in part or even in whole.