Mainly refers to the jade's land, head, color, workmanship, size ratio are perfect, flawless or basically flawless objects. Generally, it is high-grade ice, glass and dragon stone, with excellent water head and crystal clear. The best color is green, positive, thick and bright, with fine workmanship, vivid images and coordinated length-width ratio. Such an object is called jade high quality.
Of course, high prices are valuable. A Zhengyang emerald ring with the price of 10mm-8mm-5mm may be between 500,000 and 500,000 yuan. Jade bracelets made of dragon stone are zhengyang green, and the market price is tens of millions each.