钻石重量精确到几位小数点

zaiceliangzuanshizhongliangshi，jiandingshihuishiyongdianziweiliangtianpingduizuanshijinxingchengzhong，dechudeceliangjieguoyong“fen”he“kela”laibiaoshi，birujifen、jishifen，0.jikela、jikeladeng。neimezaichengliangzuanshizhongliangshiyibanhuijingquedaojiweixiaoshudian？xiamianfenxiangzuanshizhongliangceliangxiangguanshixiang。

钻石重量测量

zuanshitongchangshiyongyixiegengweijingzhundeceliangyiqilaichengzhong，birujingdudadao0.0001gdedianziweiliangtianping。

butongjiandingjigouduizuanshizhongliangdeceliangbiaozhunyeshibuyiyangde：

gia jiandingsuojiangzuanshizhongliangjingquedaoxiaoshudianhouwuwei (1.12345)，huoshiwanfenzhiyikela，yiquebaozuigaojingquedu。

gia bushizhengchangdeshuxuesheru，giahuishouxianceliangdaoqianfenzhiyikela (.001) ，ranhoujinweidaozuijiejindebaifenwei (.01)。 ruguobaoshizhongliangdeqianfenweishuzishi 9，keyixiangshangjinweidaozuijiejindebaifenwei。

biru，yikezhong 1.768 keladebaoshijiangjinweiwei1.76 kela，eryikezhong 1.769 keladebaoshi jiangjinweiwei 1.77 kela。

guoneizuanshizhongliangjiancebiaozhunzhong，xiguanyubaoliuxiaoshudiandehousanwei。yejiushishuoruguoyigezuanshishijichengchulaide0.599ct，guojizhengshushanghuibiaoming0.60ct，guoneizhengshuwei0.599ct。congzheifangmianlaikan，guojianzhengshuduiyuzuanshizhongliangdebiaoshigengweijingzhunyidian，dandatishangbingwutaidapiancha。

youyuzuanshidejiageshiyoukelazhongliangchengyimeikelajiagejisuanerlaide，yincizaigoumaishiyingquebaozuanshichengzhongzhunque，bingbaozhengzuanshidezhongliangjingquedaoxiaoshudianhouliangwei，zheiyangyouliyuzuanshijiazhizuochugengzhunquedepanduan。

钻石重量计算公式

wulunzaigiahaishiguojian，junyi“kela”weidanweilaijiluzuanshizhongliang，danzaishijigoumaishi，youshiwomenyehuiyong“fen”laichenghukelayixiadexiaozuanshi，erliangzhezhijiandehuansuangongshiwei1kela（ct）=100fen，yicileitui0.5kela=50fen、0.3kela=30fen，fanguolaihuansuan，neime20fen=0.2kela、55fen=0.55kela。

钻石重量单位为什么选用克拉

suiranxianzaiguojishangyijingmorenkelaweizuanshidezhongliangdanwei，danrengyoubushaorenbiaoshiyihuo，weishenmezuanshizhonglianghuixuanyong“kela”weidanwei，erbushirichangyongdaode“ke”。quanweizuanshijiandingjigougiaduicideshuofashizheiyangde：

xiandaidekelazhongliangjizhongxitongyuanyujiaodoushuzhong。“kela”yiciyuanyujiaodoudexilayuanwen，keratien，yeyouzhonglianghenqingdeyisi。jiaodoujiadezhongzidaxiaofeichangjunyun（pingjunyue 0.197 ke），zaoqidebaoshijiaoyizheyongzhongliangtongyidexiaokedoujiaozhongzizuoweitianpingdefamalaishiyong。kelashiquanqiutongyongdekezhongdanwei。

yishangshiguanyuzuanshizhongliangdeyixiexiangguanjieshao，zuanshizhongliangshijuedingzuanshijiazhideguanjianyinsu，lejieguo“kelayijia”dexiaofeizheyedouzhidao，zuanshizhongliangyuqijiazhibingbuchengzhengbi，ershijiagesuizhezhongliangdezengjiachengjihejishangsheng，yincizuanshizhongliangduiqijiazhideyingxiangjiaoweimingxian。zaitiaoxuanzuanshishi，guoneidabufenrenshiyi50fen-1kelazhijiandezuanshiweizhu，erwomenjianyishijigoumaishi，yingjinlianggenjugerengoumaiyusuanxuanzezuanshizhongliangdaxiao。