Both Bulgari necklace and Shangmei necklace are very valuable. Compared with most jewelry brands, Bulgari's necklaces have a higher preservation rate. If its necklace has a good color, the preservation rate can reach 50-80%. For example, the original price 10000 yuan, and the highest recycling price is 8000 yuan, so its necklace is very valuable. This is not only because of its good quality, but also because of Bulgari's high grade and high brand value. Bulgari, as a world-famous jewelry necklace brand, has been recognized by everyone. Shangmei necklace belongs to the top jewelry brand, which is expensive and very expensive. "Kong Ling Shengguang" necklace is a kind of luxury jewelry in Paris, which is very expensive and has the potential of preserving and increasing value.