The prices of diamonds, gold and platinum are transparent, but they are not the same as the added value of brands. The price of big brands like Cartier will be higher. After all, the spokesperson invited by others also wants money. Is the wool on the sheep? Domestic brands like Millennium Star will be cheaper than big brands. It is true that the size of a brand is inversely proportional to its price.
Generally, it is the value of the brand.