1. Diamond deposits will gradually disappear: diamonds are formed deep in the earth's crust and take millions of years of pressure and temperature to form.

2. The diamond market will be affected: diamond is an important gem and widely used in jewelry manufacturing. The decrease in supply will lead to an increase in diamond prices.

3. Miners and related industries will lose their jobs: diamond mining is a labor-intensive industry, which provides a lot of employment opportunities for many countries. Stop mining and these people will lose their jobs.

4. The impact on the environment will be reduced: diamond mining has a great impact on the environment, including water pollution, land destruction and greenhouse gas emissions. Stop mining and these effects will be alleviated.