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钻石 钻石原石 净度 颜色 克拉重量
钻石净度 假定您是以投资钻石为目的而去购买钻石,你只应该在前三个级别中选择,如果是想佩带的话,则建议以VS1至SI1的级别为选购目标。
钻石切工 钻石的宽度和深度对钻石的火彩有着最大的影响。 钻石的切割比例(proportion),特别是钻石的亭深比和台宽比,决定了钻石反射和折射的光线的强度,从而决定钻石的火彩。 切磨太浅:光线由底部逸出导致钻石的亮度受损。 切磨太深:光线易从亭部逸出,钻石的亮度因此受损,失去光泽而变得黯淡。

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