Jewelry is an item or items worn by people for several reasons.
The main purpose of wearing jewelry is ornamental, showing off a message.
In ancient times Kings used to wear rare designed materials as a prof of power and prestige. Members of groups or tribes wore special rings stating their being part of a community, showing pride and commitment.
Wearing Jewelry is also a way to show certain status among a society, marital status is a good example of this. It is common to see graduated students wearing a specific ring or a pendant related to the graduation event.
Besides all this, jewelry play sometimes a practical function, rings designed to be used as a stamp or a chain holding a watch.
As time evolves, new fashion and local trends arise. It is quite common nowadays seeing men wearing earrings and piercing jewelry is also a raising trend. In other words, men are influenced as women by fashion trends.
Watch the video to learn the style rules for Men jewelry by GQ: