What is gold plated?

Gold-plating is divided into two categories, one is gold-plated with gold jewelry, and the other is gold-plated with non-gold jewelry. Gold-plating of the same material refers to gold-plating the surface of gold jewelry. Its purpose is to improve the brightness and color of jewelry. Gold-plating of non-gold jewelry on silver or copper. Its aim is to replace the color of the plated material with the luster of gold, thereby enhancing the ornamental effect of jewelry.

The fading time of gold-plated jewelry depend on the thickness of the gold-plated layer and the brightness of the luster. The current international standard for gold-plated jewelry is: good gold-plated jewelry has a coating thickness of 2.5 microns, and a general gold-plated jewelry has a coating thickness of 0.03 to 1 microns. Fine jewelry craft with general gold plating usually does not fade within a year. 

In recent years, with the advancement of electroplating technology, there have been new breakthroughs in the gold-plating process. In the past, gold-plated jewelry had only one gold color. Modern gold-plated jewelry has three colors or even more colors. Color gold plating called tricolor gold includes rose, silver, gold, black, blue, etc.