钻石,深受人们的喜爱,由于其非常昂贵,因此,如何识别和挑选、如何清洁和保养是人们所关注的。这里为大家作一简单介绍。一颗钻石的好与坏,完全取决于它的颜色、净度、切割和重量。钻石一般以无色的最为贵重,其价值则由黄色色泽的增加而降低,钻石愈大,带黄的颜色也愈易显露。而粉红、绿及蓝色的钻石则另作别论,且颜色愈浓艳,价 Diamonds, by the people’s favorite, because it is very expensive, so how to identify and select, how to clean and maintain it is people’s attention. Here for everyone to make a brief introduction. The good and bad of a diamond depends entirely on its color, clarity, cut and weight. Generally colorless diamonds most valuable, the value is reduced by the increase of yellow color, the larger the diamond, the yellowish color is also more exposed. The pink, green and blue diamond is another matter, and the color of the more rich Yan, price