Question 2: If jade is high-grade goods, choose dark props to play strong light.

Question 3: pearls should be put in gift boxes to show grades. Pearls, if white pearls are dark and black, or light and strong light.

Question 4: There is no 24K gold. It's not called 24K now. There are pure gold, thousands of pure gold and gold. 9999. Gold is red or camel, and dark velvet is used to warm the light.

Question 5: Plain gold can warm the light by choosing a light and bright surface.

Question 6: Pure silver is usually wrapped in plastic wrap because it is too easy to oxidize.

Question 7: Caibao can be colored.

Question 8: Coral ornaments are rare. Just pay attention to dust prevention when visiting.

This is just my personal opinion. Looks like you're opening a shop. You'd better go to the same store to learn.