In a cut diamond appraisal, it is important to consider the following independent variables: color grade, clarity grade, cut grade, weight, intensity and color of fluorescence, and not least the market in which the stoned diamond will be evaluated. This is because there are markets where the average quality diamond is more valued because the demand is greater than the supply. On the opposite side has the most sophisticated market whose demand is in extra diamonds.
In addition, the objective of the evaluation must be defined previously between the gemologist and the client. The evaluating gemologist should collect sample data on the market similar to the graded diamond rating in order to find real value, and should always be aware of the prices. There are price lists that are international references but that serve the interests of certain groups of dealers. Common sense and commercial experience are basic conditions for establishing the best pricing policy depending on the variables depending on the diamond graduation, such as, for example, the most sought diamonds with lower discounts or even prices with increases at the time of trading.