Brilliant Diamond Cut is a type of cutting, used especially on round diamonds with 58 facets. Sometimes the very tip of the diamond, known as the culet, is also faceted. Briolette Diamond is a pear shaped stone, bounded by crossing bands of small triangular facets. These cut diamonds have seen resurgence in the past years. Carat is a unit of weight for a diamond, equivalent to 200 milligrams, or one a gram.
Carving is the forming of a design in metal or other material by cutting away the background.
A design is formed, by the material that is left after all the background is removed. Clarity a grade given to a diamond to describe how many inclusions the diamond has. Clarity Enhancing or Fracture Filled is the process of injecting a foreign element into the diamond to hide or enhance the clarity grade. This process is not stable and can come out when the stone is cleaned in an ultrasonic machine or when heat is applied to a mounting during repair. The effect of this treatment can be very dramatic, and usually improves and changes the clarity grade by one or two grades.