1, material. Mainly manifested as bright or pure color, transparent or deep texture, dazzling or restrained luster, which is closely related to its origin. For a long time, people have formed specific aesthetic standards for the grades of various jewels and jade, which often determine their economic value. For example, the identification of the quality of Loulan moyu follows the standard of "one kind of two colors", that is, the fineness, transparency and color of Loulan moyu.
2. Processing technology. Unique design and meticulous production are indispensable elements of a collectible jewel, which can not only highlight its unique natural beauty, but also create amazing scientific and technological beauty. For example, the products of high-end jewelry brands and the works of master craftsmen are often more recognized by the market.
3. Rare. "Rare things are precious", which is the most basic factor to determine the economic value of jewelry and jade. It is manifested in natural characteristics such as color, weight, purity, yield, origin, design and production, and human factors.
4. Realistic factors. This includes social, political, economic and cultural conditions, as well as the impact on the economic value of jewelry and jade. For example, in the past two years, Loulan Moyu has been loved by investors, and its price is also rising. It is understood that jewelry and jade with investment value in the market account for about 5% of the total. Investors need to have a sense of collecting fine products, "the strong will always be strong." Only in this way can they resist the risk of market fluctuation and obtain stable investment income.