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详解钻石GIA鉴定证书上的切工参数

发表于:2014-01-16      浏览:8728      来源于:我爱钻石网

  nihuikanzuanshidegiazhengshuma?meiguobaoshixueyuandegiashiquanqiuzuiquanweidezuanshijiandingjigou,chulezuanshijingdu、yansewai,tamenduiyuzuanshideqiegongpingjiafenjihenxi,yefeichangyanjin。danshiyinweigiazuanshizhengshubijiaozhuanye,youshiyingwenban,suoyihenduorenbushihenmingbaiyixiezhuanyeshuyuzhibiaocanshu。xiamian,jiuzuanshiqiegongbilidengcanshu,xiaobianlaiyiyiweidajiaxiangxidejiangshuyixia。

GIA鉴定证书上的切工指标

  proportions bili:ciziduanzhongsuoliedegegexiangmuxianshizuanshichegongdebilishuzhi。

  depth shendu:zuanshidequanshenbaifenbi,yuanzuandequanshenbaifenbishizuanshidegaoduchuyizuanshizhijingdepingjunzhi,erhuashiqiegezeshizuanshigaoduchuyizuanshikuandusuodeshuzhi。

  table zhuomian:zhuomianbaifenbi,jisuanfangshishizhuomianduijiaoxianzhangduchuyizuanshizhijingdengyuzhuomianbaifendibi,huashiqiegezeshizhuomianpingxingkuanduneiyizuduijiaoxiandezhangduchuyikuandu。

  girdle yaowei:biaoshichuyaoweihoududehouboyuzuanshiyaoweishifoupaoguang(polished)huokemian(faceted)zhuangtai,yaoweihouducongbodaohouyou8zhongextremely thin,very thin,thin,medium,slightly thick,thick,very thick,extremely thick。

  culet jiandi:jiandidezhuangtai。changjiandeshipointed、nonemeiyoujiandidezhuangtai,qitadejiandimianyouvery small、small 、medium、largedaovery large。

  finish xiushi:zuanshichegonghaohuaidepingguzhizhen。zheiyilanbaokuopaoguang(polish)yuduichengxing(symmetry)liangxiang,pingduanzuanshibiaomianpaoguangdehaohuaiyuduichengxingdeyouliezhuangtai,jiandingshushangshiyiexcellent(jiyouliang)、very good(henhao)、good(jia)、fair(shangke)、poor(bujia)laibiaoshi。

  GIA鉴定证书上的切工参数大家都明白是什么意思了吗?更多钻石相关资讯请多多关注我爱钻石网。相关阅读:国检NGTC证书如何标切工等级的?

上一篇:

钻石鉴定证书哪个最权威?

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为何30分以下的钻石没有GIA鉴定证

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