Multiple choice general knowledge science & technology Bruiting a diamond refers to the process of: cutting a diamond by hand using a special instrument rubbing a diamond with a special powder to give it a smooth, polished finish breaking a rough diamond down to a manageable size buffing it Reveal answer Fill a bubble to check yourself A Correct answer Explanation Bruiting (or bruting) is the traditional process of shaping and cutting diamonds by hand using another diamond as a cutting tool. This differs from cleaving (splitting along natural planes) or polishing (creating the finished facets).