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GIA、HRD、IGI、NGTC 4种钻石证书区别

发表于:2018-06-06      浏览:28059      来源于:我爱钻石网
钻石证书是了解钻石真假及等级的重要书面文件,对于消费者购买钻石有非常重要的意义。但很多消费者发现,钻石鉴定机构不止一所,因此钻石证书也不止有一种,比如常见的GIA、HRD、IGI、NGTC证书,那么这4种钻石证书的区别是什么呢?下面来共同了解。

       zuanshizhengshushilejiezuanshizhenjiajidengjidezhongyaoshumianwenjian,duiyuxiaofeizhegoumaizuanshiyoufeichangzhongyaodeyiyi。danhenduoxiaofeizhefaxian,zuanshijiandingjigoubuzhiyisuo,yincizuanshizhengshuyebuzhiyouyizhong,biruchangjiandegia、hrd、igi、ngtczhengshu,neimezhei4zhongzuanshizhengshudequbieshishenmeni?xiamianlaigongtonglejie。

钻石证书

       guojishangbijiaoyouquanweidezuanshizhengshushigia,danbingbushisuoyoudiqu、pinpaidoutigonggiazuanshizhengshu,qitahaibijiaochangjiandeyouhrd、igi、ngtczheixie。zuanshizhengshubutongjiuyiweizhezheixiezuanshijiandingjigoushibuyiyangde,neimezaijiancejishuhuozhecezhongdianfangmiankenenghuiyousuobutong,jiexialaijiugongtonglejieyixiabutongzuanshijiandingzhengshuzhijiandetedianqubie。

       NGTC证书

       quancheng:nationalgems&jewelry technology administrative centre

       zhongwenming:guojiazhubaoyushizhiliangjiandujiancezhongxin

       qishinianfen:1993nian

       zhengshudiwei:woguodiyigezuanshifenjibiaozhundechuanglizhe

       tedian:chuleduiluozuanjinxingfenjijiandingwaihaiduixiangqianhaodezuanshitigongjianding。

       tishi:zhongguokeshishijieshangweiyiyouzuanshifenjiguojiabiaozhunhebiseshiguojiabiaozhunyangpindeguojia!ngtcdezuanshizhengshumuqianjiucaiqu2010nianzuixinxiudingdeguojiabiaozhun。zuanshifenjiguojiabiaozhundeqiegongfenjicaiquzhiguandewenzi,shidezhongguoxiaofeizhezaikanzhengshushigengjiamingbai。

       zongjie:chulechujuzuanshifenjizhengshuwai,haiduiyijingxiangqianhaodezuanshijinxingfenji。erqieweitigonggenghaodijiandingfenjifuwu,ngtcbuduanyinjinxinshebei,buduanshengjizhengshubanben。budanzengjiadaxiaoliangzhongbanbenzuanshizhengshuyigongxuqiu,chucizhiwaihaizengjiaduozhongfangweichaxunfangshi。

       HRD证书

       quancheng:hoge raad voor diamont

       zhongwenming:bilishizuanshigaojiecengyihui

       qishinianfen:1973nian

       zhengshudiwei:chengliyuzuanshiqiegezhongxinbilishianteweipu,yuguojizuanshiweiyuanhuigongtongqicaole“guojizuanshifenjibiaozhun”idcbiaozhun。

       tedian:hrdduiyucaisezuanshiyansedengjihetianranxingdejiandingyouweituchu。

     ;  tishi:hrdzuanshizhengshuhaituichulezhendui1kelayixiazuanshidekuaijie“zuanshijiandingzhengshu”,neirongyimuleran,danxinxidianshaoyoujianlve。

       zongjie:hrdzuanshizhengshushiyongjiaoduomiaoshuxingyuyan,buxiangqitazhengshuneiyangduizuanshiyansecaiyongd、e、fdenghuafen,ershiyongru“white”“slightly tinted white”dengduanyu,erqienyixiasejijiubuzaiqufen。

       GIA证书

       quancheng:gemological lnstitute of america

       zhongwenming:meiguozhubaoxueyuan

       qishinianfen:1931nian

       zhengshudiwei:chuangzaoleyanyongzhijindezuanshi4cfenjixitong,bazuanshijiandingtuixiangguojihuadechuangshizhe。

       tedian:zuoweibiaozhundezhidingzhe,giaduiyu4cfenjibiaozhundebakongjueduizuiweijingzhun。

       tishi:daiyougiazhengshudezuanshiyaobidaiyouqitazhengshudezuanshijiagegao,bujinyinweigiazhengshudejiandingfeiyonggenggaoyixie,congliutongxingdaogongxinli,renmendoupubiangengxiangxinzheigebiaozhunzhidingjigoudejiandingjieguo。

    ;   zongjie:shuodaozuanshizhengshuhenduorenxiangdaodejiushigia,zaishichangshanggiazuanshizhengshudeshiyongyejihukeyichengdeshangzhuliu,shenzhikeyichengweizuiquanweikeguandezuanshizhengshu。yexushuzidejianyanjieguomeigejigoudoukeyizuodao,dankeyizuodaochuanglijianyanzhidudezhiyougia。

       IGI证书

       quancheng:the institute of gemology

       zhongwenming:guojibaoshixueyuan

       qishinianfen:1975nian

       zhengshudiwei:shijieshangzuidadedulizhubaoshoushijiandingshiyanshi,zaiquanqiugedazuanshijiaoyizhongxinsheyoushiyanshi,beichengwei“xiaofeizheshenbiandequanweijiandingsuo”。

       tedian:igikeweirenhechicundaxiaodezuanshichujuzhengshuduozhongbanmianhegeshi,fangbiansuishenxiedai。xiaozhengshumaquesuixiaowuzangjuquan,wulunbanmianruhe,meifenzhengshudougenjuyangedeguojibiaozhunkaiju,bingqieyongyouduozhongfangweicuoshi。

       tishi:igizhengshuduiyuqiegongxinxidemiaoshujiweijingzhun,zaifinishxiangxiahaixifenlesymmetry(duichengxing)、polish(paoguang)、proportion(bili)dengsangebufendebilimiaoshu,duizuanshidijian、yaobudengxijiemiaoshuyehendaowei。

       zongjie:igidelishijiqifengfu!tazuichushicongbilishizuanshishijiasirenshouzangkaishide,houlaibeiouzhougegewangshiguanzhu,duiyuyijingxiangqianqiejiaoweifuzadewangguan、xianglian、jiezhidounengjichuxiangxizhunquedijiandingjieguo,suoyibeiyuelaiyueduoderenxinren。erqieigizhidingleshijiediyizhangwanzhengquanmiandezuanshiqiegongpingjibiao(cut grade chart),zheizaihoulaichengweilexiandaizuanshiqiegongtixipingdingbiaozhundechuxing。

       yishangjiushigia、hrd、igi、ngtcsizhongzuanshizhengshudefenbiejieshao,qishirenheyizhongquanweizuanshizhengshudoushiwomengoumaizuanshidezhongyaocankao,dajiazaigoumaideshihouyebubiduizuanshizhengshudezhongleitaiguotiaoti。zaigoumaizuanshishijianyidajia,yidingyaoyouquanweizuanshizhengshu,duiyu30fenyishangdezuanshijinliangsuoyaogiazhengshu,qitazhengshuyekecankao。

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