nature. The amount of steel produced throughout the world every hour exceeds the total amount of gold found during the entire human history. However, it remains as popular as ever. The gold is associated with everything – celebrations, sporting events, customs and traditions. And even the family life almost never begins without a golden gift. For Mikhail Andreyev this day is especially important. He is anxiously coming into a jewelry salon in hope to choose “this very ring” for his girlfriend. There is a very wide range of goods while their prices make one feel confused. 1 gram of a 14-karat gold item costs almost $100.