What is diamond pencil?

A diamond pencil, also known as a diamond-tipped pencil or diamond stylus, is a writing or drawing tool that features a tip made from diamond or is coated with diamond-like materials. This design allows for precise lines and durability, as diamonds are one of the hardest known materials. Often used in art, engraving, or industrial applications, diamond pencils provide a smooth writing experience and can produce fine details. They are particularly valued for their longevity and ability to maintain a sharp point.