Sales staff of regular jewelry stores have clear rules: expensive jewelry must be taken with gloves, which is the most basic common sense of jewelry sales, appreciation and appraisal, especially high-end jewelry such as diamonds; In our daily use, we should also pay attention to the maintenance when wearing jewelry. For example, diamonds are most afraid of oil pollution. We must take off the diamond ring when doing anything that may be polluted. The diamond ring can only be cleaned by ultrasonic water, and the diamond after impurity removal can't even be cleaned by ultrasonic. Therefore, experts of Jubilee Fortune Jewelry suggest that you know more about this knowledge.