Optimization Of Green Emerald Color Grading Standards

Jadeite is a kind of high-grade jade which is the essence of Chinese culture.It represents the profusion culture of Chinese people. As the nature emerald deposit is limited,the price of Jade has been in a state of high rising for a long time. Jade is the king of jade, green Emerald is the most expensive species of jade family.it is not a problem to identification Jade by using existing technology,and jade identificate certification will be provided by reputable merchants. People hold out the quo because the consumer confidence of jadeite is not enough yet,which is lack of the understanding-love-buy chain.Comparing with the worldwide Grading standards of diamond, Jadeite classification system is very confusing yet.The " Jadeite grading standard" promulgated by Yunnan Province in 2003 has not been used in large-scale.in 2003-2007 the Quality and Technical Supervision of Yunnan Province has been involved a national project "The Standard technology research of Jewelry Industry," referred to the classification of Jadeite.But consumers do not understand, due to the low operation possibility,Because this standard copys diamond grading standards, butt it is not suitable for Emerald features. and there is no classification standard sample in market.To judge the grade of the Jadeite, colour is the main factor which effects the value of it. How to appraise the colour grade correctly and felicitously is the hardy and important point. Due to the diversity and the complexity of the colour, we had just give the judgement qualitatively. But as the love and acqierement is different from one to each other, different people may have different opinions for the same emerald decorations. That maks the judgement hard. So to quantify the colour, and to make the viable classification system of the colour is scientific and imperative. This disquisition is used to give some references to the classification system, hoping the quantification of the colour judgement will come ture earlier.As Jadeite's classification is a complex system,this article only discusses about the color grading of green emerald.in Principles of color combination,,the existing GemDialogue color grading system will be analysing.green Emerald will be divided into assessment (high-grade products), commercial Jade (medium and low)j by Jadeite color grading for discussion. Trying to complete the samples of sailing green jade under different standard production.After making an investigation to Yunnan jade market by using of SWOT analysis method, to prove it is a Specification jade market.the rigidity demand of the Jade will be enhanced in the future. By questionnaire surveys,it will explain the demand of Green Emerald Jadeite of the business.