HOW TO CONTROL
Yellow, blue, green, and white gold - there are many types of precious metals in this category. They are characterized by different colors. However, fake jewelry is most often made of yellow metal. This is the most common type of gold.
Over the course of its existence, mankind has learned to
Platinum and silver are very popular
The range of jewelry is constantly expanding.
Practice shows that counterfeiting precious metals
In recent years, there has been a downward trend in the
The authenticity of precious metals is usually verified by