Pearls, known as the queen of jewelry, and diamonds, rubies, sapphires, emeralds, Opal and known as "five Kings and one queen." Pearl moist but not dazzling, dignified but not conventional, with its unique characteristics perfect interpretation of women elegant, quiet, dignified temperament. Weighing 119.25 grams, the length of 71 mm of the giant pearl "Maxima" so-called "seven are divided into pearls, eight are treasure", the diameter of 8 mm of the pearl has entered the ranks of jewelry,15 mm or more for rare treasures. At present, in the face of a 30% annual appreciation rate of collectible pearls in the market, many collectors have begun to shift their attention to pearls. "The measurement of 'bigger is more valuable' is also applicable to pearl collection," said the connoisseur of pearl collection. "A single pearl with a diameter of more than 15 millimeters has long become the object of attention of collectors because of its rare number." The Catwoman played by Anne Hathaway in Batman 3 wears a collectable pearl necklace. At present, in the pearl collection world, the appreciation space of Nanyang pearls and Tahiti pearls is the largest, in fact, seawater pearls and Japanese pearls. A Nanyang gold pearl with a diameter of 18 mm, according to its color, fullness and other comprehensive assessment, the market price can be as high as tens of thousands to hundreds of thousands of yuan. Pearls are rare and can be cultured artificially, but the pearl culture environment is extremely demanding, and now due to the deterioration of the natural environment, poor water quality, climate impact, and the loss of cultured talents, pearls have become increasingly scarce. At the same time, although the pearl will grow over time, because the longer the growing period brings greater risk, so the larger the diameter of a single pearl, the greater its value. Pearl beauty reminds you that although pearls are the new rich in the collection world, pearls as organic gems, low hardness, unstable nature, and a certain amount of moisture, must be carefully cared for in order to last forever.