钻石的品质通常是以4C标准来衡量,即:钻石克拉重量(Carat)、净度(Clarity)、色泽(Color)、切工(Cut)四方面来综合考察,也就是人们常说的钻石4C标准。近年来,国内外钻石市场在评价钻石4C标准的基础上衍生出钻石“火彩”值的概念,钻石“火彩”值越高则钻石越璀璨,钻石“火彩”值的高低与切工 Diamond quality is usually 4C standard to measure, namely: diamond Carat weight (Carat), Clarity (Clarity), Color (C), Cut the four aspects to study, that is, people often say that the diamond 4C standard. In recent years, the diamond market both at home and abroad has derived the concept of diamond “fire color” based on the evaluation of diamond 4C standards. The higher the diamond value, the brighter the diamond is, The level of value and cut