Diamond, namely mineralogical medium diamond, it is carbolic element is formed via geological action, former unripe mine basically is Jinbaili in cliff and porphyry of potassium magnesian brilliant, diamond discovers the earliest at India, the biggest diamond produces a country to be Australia, main country has other south Africa, before the country such as Russia, Zaire, Botswana, Namibia, history of Chinese exploitation diamond is later, diamond bed basically has and other places of inn of tile-roofed house of drainage area of Hunan Yuan river, Liaoning, Shandong. 1880 the Englishman founds Daibiersi in south Africa company, thereby the exploitation of the diamond former stone of 80% above of world of control of forestall sex ground and purchase and sale.