gia钻石是如何分级的_gia钻石等级是什么意思

       giazuanshidengjizhideshizuanshijingzhuanyejiandingshijiandingzhihousuochujudezuanshigaodipinzhifenjijieguo，qizhongyouyigegiazhidingdezhuanyeshuyu“4c”，zhizuanshidezhongliang、yanse、qiegong、jingdujibie；giazuanshidengjijiandingjieguohuizhijieyingxiangdaoyimeizuanshidebaojia，giazuanshidengjiyuegaojiageyuegui，fanzhiyiran。

gia钻石证书

       giazuanshidengjibiaozhunzaijibenzaiquanshijiefanweineitongyong，duiyulejieyimeizuanshidejiazhiyoufeichangzhongyaodecankaozuoyong。

       gia钻石如何分级

       1、zuanshikelazhongliangceliang

       zaigia ，zhuanyejiandingshihuishiyongfeichangjingquededianziweiliangtianpingduizuanshijinxingchengzhong，cedingzuanshidekelazhongliang，dianziweiliangtianpingkejingquedaoxiaoshudianhouwuwei（jiyueyikeladewanfenzhiyi），danzuizhongjiandingjieguotongchangbashejiuru，jiluxiaoshudianhousanwei。

测量钻石重量

       2、zuanshiyansefenji

       giajiangzuanshiyanseyongzimud—zlaibiaoshi，qizhongd-fjibiaoshiwusezuanshi，g-jbiaoshijinwusezuanshi，k-mbiaoshiweihuangsezuanshi，n-zbiaoshiqianhuangsezuanshi，dweizuigaoyansejibie，yicidijian。

       giazhuanyefenjijiandingshizaibiaozhunhuadeguanchahuanjingzhongshiyongbiseshijiandingzuanshiyansedengji。tongchang gia weipaizhishaoliangmingyansefenjishifenbieweitongyikezuanshijiandingyansedengji。duiyujiandingjieguobuyizhide，huoshizuanshizhonglianghepinzhiteshude，gia huiweipaigengduodefenjishishuruyansedengjiyijian。zhidaoyijianzugouyizhi，caihuizuizhongquedingdengji，keyishuogiasuojiandingdeyansefenjijieguoshibijiaoyanjin、keguande。

钻石颜色比色石

       3、zuanshijingdufenji

       giajiangzuanshijingdufenweiwuxiaji (fl)、neiwuxiaji (if)、jiqingweineihanji（vvs1 he vvs2）、qingweineihanji（vs1 he vs2）、weineihanji（si1 he si2）、neihanji（i1、i2 he i3）。

       zuanshijingdudengjijiandingcaiyong 10 beifangdajingzaibiaozhunguancetiaojianxiajinxing。 jinxingchujiandefenjishihuizixijianchazuanshi，quedingzuanshidejingdu/xiushitezheng，bingcaijiruleishechuanzaohuoliefengtianchongdengjingduchulidezhengju。

       zhishaoliangwei gia fenjishihuiduizuanshidejingdu、moguangjiduichengxingzuochupingjia。 ranhouzaiyifuzuinengtixianzuanshixingzhuanghekemianyangshidetushanghuizhiqijingdutezheng。

不同钻石净度级别

       4、zuanshiqiegongfenji

       giajiangzuanshiqiegongfenweijiyou（excellent jianxieweiex）、youliang（verygood jianxieweivg）、lianghao（ good jianxieweig）、shangke（fair jianxieweif）、buliang（poor jianxieweip）dengwugejibie。

       giajiandingshigenjucongjiyoudaobuliangqiegongdezuanshifenjibiaozhunduizuanshidezhengtizhengmianwaiguanjinxinglepinggu，congeryucechuliangdu、huocaiheshanguang（zuanshideshanshuoduyijiyuguangxiandexianghuzuoyong）deqiangdudengji。tongshigia haiduimeiyikesongjianzuanshijinxingshaixuan，yiquedingqishifoushihechengzuanshi。

从左到右依次为：不良切工、良好切工、极优切工

       tongguoshangmiandejieshao，xiangxindajiaduigiazuanshiruhefenji，giazuanshidengjishishenmeyisixiangguanwentidouyouleyidinglejie，weiquebaozuanshipinzhi，woaizuanshiwangmeiyike30fenyishangdezuanshibujinketigonggiazuanshizhengshu，hainenggouchujuquanweiguojianzhengshu，shuangzhongpinzhibaozhang，rangninfangxingoumai。