How to identify the quality of a gold ring

Gold rings and diamond rings are one of the accessories that people must buy before getting married. As we all know, the price of gold is soaring, so buying a gold ring is the ideal choice. Wedding rings are natural, diamond rings symbolize eternity, gold symbolizes nobility. But what do you know about the rules of identifying gold? Let’s take a look at it together! The proportion of gold is 19.3g/cm3, the color and the proportion of the greater relationship, the proportion of close to 19.3, the higher the pure gold. When the specific gravity is 18.5, 95% gold is contained, 17.8 contains 90% gold, and so on. Want TO MEASURE SPECIFIC GRAVITY TO KNOW THE FINENESS OF JEWELERY ONLY, BUT CAN BE IN HAND GENERALLY HOWEVER, IF a BIT OF HEAVY FEELING CAN FEEL CICADAS, BECAUSE OF THE SAME WEIGHT OF other metals, such as silver, copper, tin, lead weight is not the same. 1. Try soft and hard: the higher the color of gold jewelry , the softer and more ...