Evaluating the value of a diamond often depends on four factors, namely carat, cleanliness, color and cut. The English that represents these four words is Carat, Clarity, Color and Cut. Since the first letter of the four English words is "C", it is commonly referred to as the four "C" in the international jewelry industry. These four "C"s are important in evaluating diamond jewelry and are indispensable. 1, carat: the weight of the diamond, 1 carat = 0.2 grams, 1 carat = 100 points, one of the reasons for the precious diamonds is rare, the weight is even more rare, generally up to 1 carat is a large diamond. The relationship between diamond personality and size is increased in a square relationship. 2, cleanliness: that is, purity or transparency. Diamonds with extremely high clarity, because they are free of impurities and flawless, should be completely colorless and transparent, and their value is very high. 3, color: has always been the basic and first factor to determine whether diamonds are valuable and high or low. As a gem-quality diamond, it is limited to colorless, nearly colorless, slightly yellow, light yellow, and light yellow. 4, cut: look at the cutting level of a diamond, mainly depends on whether the angle and proportion are correct, whether the style is trendy, whether it is delicate and other factors. Children's Clothing,Cotton Child Clothes,Comfortable Child Clothes,Child Coveralls Ningbo Liyuan Garment , https://www.liyuangarment.com