A diamond appraisal documents the important characteristics of the diamond such as, carat weight, cut, color, shape, clarity and various other measurements along with the weight, purity and ring styling (in case it is a jewelry). An appraisal is in short is the thorough examination of your diamond which gives an idea of the monetary worth of your diamond.
While choosing your diamond appraiser always take care of the following:
The grading report gives an idea of the characteristics of the diamond and not its value while an appraisal report gives and actual monetary value of the diamond/jewelry which can be used for purposes like insurance.