Quantifying Data before Valuating Jadeite Jade

The appraisal of the jadeite jade has the features of reality，marketability and predictability．However，the traditional appraisal methods of the jadeite jade mainly depend on the experiences of the appraisers，which is quite subjective and could not guarantee the objectivity and impartiality of the appraisal results．Considering the complexity and uncertainty between the price of the jadeite jade and its quality factors，the Delphi method is used to determine the relationship among the weights of the quality factors which could be calculated by the mathematical methods in order to decrease the deviation resulting from the appraisers’ subjectiveness．The method could quantify the data rapidly，accurately and fairly before valuating jadeite jade．