推荐回答(4个)
彩色钻石和普通无色钻石的颜色分级标准是不一样的。
常见的彩钻一共分为九个级别:Faint〈微〉、Very light〈微浅〉、Light〈浅〉、Fancy light〈淡彩〉、Fancy〈中彩〉、Fancy dark〈暗彩〉、Fancy intense〈浓彩〉、Fancy deep〈`深彩〉、Fancy vivid〈艳彩〉。
(不同色彩的钻石,要在颜色等级后加上色彩后缀)比如蓝钻:Fancy light Blue〈淡彩蓝〉、Fancy Blue〈中彩蓝〉、Fancy intense Blue〈浓彩蓝〉......
![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2F18d8bc3eb13533fa070fbebdbad3fd1f40345be3%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
彩钻中“红色钻石”非常稀有,它的颜色只有一种浓艳程度,即中彩红(Fancy Red)。
![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2Fac345982b2b7d0a24a73290ed9ef76094a369aee%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
黑色钻石的颜色等级划分也较为简单,只有“彩黑”一种级别。
![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2Ff9198618367adab4ae6a36d099d4b31c8601e4ef%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
钻石颜色分级:
D E F G H I J K L M N O P Q R S T U V W X Y Z
透明无色 接近无色 极微黄色 轻微黄色 浅黄色
大于Z色后是彩钻,价值就高很多了,如果在D到Z之间,就是越白越好!
钻石颜色分级:反正白色最好,个人觉得黄色和黑色最差
D E F G H I J K L M N O P Q R S T U V W X Y Z
透明无色 接近无色 极微黄色 轻微黄色 浅黄色
大于Z色后是彩钻,价值就高很多了,如果在D到Z之间,就是越白越好!
人说,钻石是财富、高贵、永恒、纯洁和爱情的象征,因此拥有一件光芒四射的钻饰是每个女人的梦。当然有人会问,为什么这个石头,就是跟别的石头不一样,那么贵,还代表爱情等等许多东西。因为钻石不是真正石头,它和木炭、石墨一样,由碳构成,叫石墨的同素异构体,这个在中学化学学过吧。
钻石产生于20亿年前的地壳深处,被火山喷出(2012年的时候不知道是不是满地是钻石,那时候做钻石生意的要亏掉裤子了)。其晶体多为立方、8、12面体,中文名为金刚石,英文为ADAMAS。用于首饰的上等金刚石被称为钻石,英文叫做DIAMOND。
碳的原子量为6,跟它相近的是氮(就是空气中的氮气),原子量是7。所以钻石中经常含有氮元素,氮元素会引起钻石发黄。氮的多少导致钻石黄色的深浅。
当然,钻石越白(越接近无色),就越珍贵,价钱也就越高。自然界中还有彩色钻石,重颜色的就是FANCY,即彩钻了。蓝色是最受欢迎的,而越深越好——蓝钻石。红钻也受人们喜爱。还有艳紫色的紫钻,金黄色的金钻(和含氮的那种黄色不同的)、鲜绿色的绿钻、乌黑而透明的黑钻等。这些鲜艳深色的钻石,是宝石中的宝石,价格更高!
世界上最大的宝石金刚石名叫“库利南”,是1905在南非的一个矿里发现的。“库利南”重3106克拉,即621.2克,跟相当于一个成年男子的拳头。它纯净透明,带有淡蓝色调,是最佳品级的宝石金刚石。一直到现在,它还是世界上发现的最大的宝石金刚石。
他太昂贵了,当时没人能买得起(原矿就估价75亿美元),所以南非干脆把他送给当时的英皇爱德华七世(南非那时是英国殖民地)。伦敦警察厅瞒天过海,把这颗大石头用最简单的包裹邮寄,花了一个月寄到白金汉宫的皇家邮袋里。
但是“库利南”不是一个完整的晶体,它只是一个大晶体的一部分碎块。专家经过数月研究后决定把他分割成三个大钻。在用玻璃模型反复试验后,分割开始了。分割现场配备了一个顾问小组,以随时研究情况,同时还配备了医生和护士。假如他们的估计有丝毫偏差或用力不当或下锤角度错误,这块金刚石可能会分裂成上万粒碎石,那时分割专家的前途名望将就此终结。这个准备被证明是很明智的。第一锤下去,刀锋断了。换一把刀,再第二锤,分割专家晕倒了,幸运的是,钻石也同时按计划分开了。
库利南被劈开后,由三个熟练的工匠,每天工作14小时,琢磨了8个月。一共磨成了9粒大钻石和96粒小钻石。这105粒钻石总重量1063.65克拉,为库利南原重量的 34.25%。由此可知,金刚石在加工成钻石后,重量损失很大。较大钻石中最大的一粒名叫“非洲之星第Ⅰ”也就是“库利南1号”,重530.2克拉,为水滴形,琢磨了74个面。它也是现今世界上最大的钻石,镶在英国国王的权杖上
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