Quality Grading and Appraising of Jadeite Jade Jewelry in China Market

Referred to the achievement of predecessor and combined with technological tradition and scientific recognition, the green colour of jadeite jade is divided into ten types: intense green, vivid green, vegetable green, bean green, watermelon green, water green, glossy dark green, dotted green, grey green and black green; the texture of jadeite jade is divided into five types.
The colour, texture, transparency, clarity, shape and size of the jadeite jade are considered as the cardinal factors affecting the market price of jadeite jade. Based on the prices of jadeite jade in state-owned department store, a price pattern to appraise the jadeite jade jewelry in China market as concern with the above factors is suggested, P = P₀×K₁×K₂(here, P₀ is the basic price; K₁= a_i×b_i×c_i×d_i×e_i×f_i; a_i, b_i, c_i, d_i, e_i, f_i are the price coefficients of colour, texture, transparency, clarity, shape and size respectively; K₂ is related to the other factors without being included in K_i)