钻石重量为什么以克拉为单位?

　　yibanwuzhidezhongliangdouyikeweihengliangdanwei，zuanshizhongliangweishenmeyikelaweidanwei?zheiyaocongzuanshidelailishuoqi。

　　shijieshangshoumeizuanshidayueshichanyu3000nianqiandeguyindu，shizaiyindudeyitiaojiaokelixinadeheguneifaxiande。zhidaoshibashijizhiqian，jufudeyindulidaijunwangshishijieshangweiyidegongyingzhe。

　　conggongyuanqiansishijidaogongyuanshibashijichu，yinduyigongshengchanleyue300wankeladeyuanzuan。zheiyeshizuanshiweishenmeyi"kela"zuoweijiliangdanweideyuanyin。guyindushengzhangyizhongqitedeshu，zheizhongshumeikeshuzidezhongliangjibenxiangtong，meilizhenghaoshi0.2ke。youyuzuanshixishihanjian、zhongliangyouxian，congmingdeyindurenbianyongzheizhongshudeshuzi"kela"zuoweizuanshidezhongliangdanwei。zuanshidezhongliangjiliangdanweishikela(ct)，1kela=0.2ke，1kela=100fen。

　　dinglehundenvshimenjiangjiezhidaizaizuoshouwumingzhishangdechuantong，kezhuisudaozaoqideaijiren，tamenxiangxinaiqingzhimaicongxinzangzhijietongdaozuoshouwumingzhidezhijian。touguoyizhijiandandedanlizuanjie，zuanshiweishishangwushunannvchuandalexinzhongdeqingsu，sanfachuyonghengdeaihuo。

　　congjiehun，daojiehunzhounianjinianri，xiangaidenannvdouyongzuanshilaibiaodaqingyi。yizhixiangmanzuanshideyuanxingjiezhi，shuodeshi"woliangdeaiqingmeiyoujintou"，daibiaoyonghengzhiai(zheigeyuanzixifangdechuantongyiweidongfangrensuojiena)。

　　shizhijinri，renmenyizuanjiezuoweiaidexianliyiyuranchengfeng。renmenhaijiangjiehun60zhounianhuo75zhounianchengweizuanshihun，yejiangzuanshizuoweisiyuedeshengchenshi。shushiyinianqianjidanshengzaidiqiaoshenchudezuanshi，yizhishiwukebiyi、burongchaoyuededaibiao，bingyinweitadejianyinghemeilierjiazhibufan。zuanshishijingdeqishidaibianqiandegulaobaozang，jishijiyilaizaoyichengweiyonghengzhiaidexiangzheng。chuanshuozhong，qiubitedejianduanxianglezuanshi，suoyijuyoushenqidemoli!