At present, the gold wares on the market mainly include: gold (AU), platinum (PT), palladium (PD) and K gold. The first three categories are all sold by theory. The price will vary with the gold content.

Diamonds mainly depend on 4c, diamond size or carat (ct), color, clarity and cut. Of course, the bigger the diamond, the more expensive it is. The color should be white. The grade is from D to Z, and the color D is transparent and colorless, which is the highest grade. Clarity refers to the number of inclusions in a diamond. The grades are FL, IF, VVS, VS, SI, I, and I are the worst. There is no general brand, at least SI.

These are the most basic, and the landlord knows these. In fact, different brands have different recruitment requirements, and they don't have to be knowledgeable. Some brands prefer to recruit inexperienced employees because they can learn and manage better. It is difficult for experienced people to accept the new corporate culture. So the landlord need not be too nervous, just be yourself.