Turning a plain rock into a bright, shiny diamond needs a lot of care and skill. Many people know this as diamond refinement. The work uses both science and good hand skills. Dubai, UAE, is a key place for this big business.

A diamond starts as a rough stone. It goes through many steps before it shines. One very important step is diamond boiling. Many people do not understand this step or know why we must do it. But, this step is key if you want a good, polished diamond.