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  1. Pearl is very precious as the "jewelry queen". Over the years, people have gradually formed the following standards for the value of pearls:
    1. Color
    The comprehensive characteristics of the body color, accompaniment and fainting of pearls, it includes:
    (( 1) Body color: The color of the pearl selection of white light to absorb.
    (2) Accompaniment: One or more colors that float on the surface of the pearl.
    (3) Salmonic: The drifting rainbow colors formed under the pearl epidermis or under the epidermis.
    The description of color should be based on body color, supplemented by color and faint.
    It people are used to think that silver and white with light pink halo are the top grade. However, special colors such as gold, purple, red, and blue are more valued because of scarcity. In the black pearl, those who are used to the peacock blue halo are used as the top grade. In fact, the love of colors can be different because of personal preferences and the requirements of pearl jewelry design. There is no need to force it. Generally, people do not like yellow -colored beads, the so -called "old pearl yellow". However, the Japanese recently launched a dyed "golden bead", which is even higher than ordinary white beads, which shows the role of "special color".
    2. Size
    The size of a single pearl, which is generally based on the maximum diameter. Pearls are different from the size as the evaluation criteria, which is different from other jewelry. Because the unit weight of pearls is not much different. So it has no practical significance. It is known for its habits in millimeter (mm).
    3. Shape
    The shape of pearls refers to its appearance shape. For many years, people have been used to thinking that pearls should be round. So the rounded pearl is the most respected. In fact, some strangely shaped alien beads are more loved by people because of rare. For example, cross beads or strange, weird pearls. Gaoming designers can design it unique jewelry. Therefore, value is often higher.
    4. Gloss
    This refers to the strength of the pearl surface reflection and the clearness of the image.
    5. Schiching
    The smoothness of the pearl surface refers to the smoothness and cleanliness determined by the surface of the pearl surface by the size, how much, and the color and location.
    6. The thickness of the cortex
    is the thickness of the pearl layer. Especially some nuclear pearls, the pearl is very thin. Those who are thick in pearls are expensive.
    7. Matching
    This is the evaluation standard for jewelry composed of pearls. Most of the cases refer to pearl skewers. Therefore, the matching of pearls refers to the synergy of the single pearls in the shape, luster, smoothness, color and size between the single pearls in the jewelry. For example, whether the pearls used in a pair of pearl earrings match will naturally affect its value.
    The standards for evaluating pearls above should be comprehensive in principle, and should not be emphasized.

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