youyuzuanshideteshujiazhi,dajiaduitazuijibendeyaoqiujiushihuozhenjiashi。ruobukaolvzuanshijiageyinsu,zaigoumaizuanshishi,zuirangrenmenfeixindewentijiushi:zuanshidezhenjiahezhiliangyoulie,xiamianjieheshichangshijiqingkuangyijiwoaizuanshiwangdejingyan,jieshaozuiquanweide5zhongzuanshizhengshu,pandianzheiwuzhongzuanshizhengshuzhizui。
一、应用最广泛,最具知名度的国际钻石等级证书–GIA钻石等级证书
giashimeiguozhubaoxueyuandedejiancheng(gemological institute of america),tachuanglibingtichuleguojifenjitixi。1931nianzailuoshanjichengli,you70duoniandelishi,xueyuanzaizuanshifenjihebaoshijiandingfangmianweishijiesuoxinlai,quanqiudiyitaodezuanshifenjizhidujiushigiazhidingde,erqiequanqiudaduoshubaokuozhongguozuanshibiaozhundoushicanzhaogiazuanshifenjibiaozhunjinxingzhiding, zuoweiyijiadulidefeiyinglixingzuzhi,shimuqianquanqiuzuiquanweidezuanshijiandingjigou,gia zuanshifenjibaogaohe gia zuanshichulibeirenweishishijiezhumingdebaoshizhengshu。gezhongxingzhuanghedaxiaodezuanshicongshijiegegejiaoluosongdaoxueyuanjinxingfenxifenji。90niandaihou,giazhengshuyesuidaliangyongrudemeiguozuanshijinrulezhongguoshichang,chengweileguoneirenzhidujiaogaodeguojizhengshu。jingguozuanshishichang20duoniandegaosufazhan,shishizhengming,giazhengshuyichengweiguoneizhimingduzuigaodezuanshizhengshu。
二、最专业、最具个性化的国际钻石等级证书—IGI钻石等级证书
igizuanshizhengshuyouguojibaoshixueyuanqiandingfaxing。guojibaoshixueyuanchengliyu1975nian,zuoluoyuanteweipu,shishijieshangzuigulaodebaoshixueyuan,shimuqianshijieshangzuidadedulizhubaoshoushijiandingshiyanshi,zaiquanqiugedazuanshijiaoyizhongxingongsheyou15geshiyanshi,beichengwei“xiaofeizheshenbiandequanweijiandingsuo”,qizuanshizhengshudequanweixingdedaoshijiegongren。igizuanshibaogaocongbenzhishanglaishuoshiyifenshengming,tajiezhushijiegongrendetixilaizhengmingzuanshidezhenshixing,tigongkekaozhengquedezuanshishenfenhejibie。
zuoweishijiesandaquanweijiandingjigouzhongzhenzhengyiyishangweiyidekuadazhouquanqiuxingshiyanshi,igijiejuelegegeshiyanshibiaozhungaodutongyidewenti,qiyizhiyilaidewendingxingshoudaoyejiedeguangfantuichong,lingwai,meizhangzhengshuyanyongleshechipindeshougongzhizuochengxu,weideshibaozhenggefangmianpinzhidouyuzhubaoxiangpipei。zhumingdemont blanc, cartier,escadadengguojipinpaidouxuanzeigitigongjiandinghuopeixunfuwu。 zhidezhuyideshi,ruguoyaogoumaiyike“baxinbajian”dezuanshi,yidingyaoxuanzeigizuanshizhengshu,yinweimuqianzhiyouigikeyichujushijietuichongdebaxinbajianzuanshizhengshu。
三、最全面、最安全的国际钻石等级证书—HRD钻石证书
hrdzuanshizhengshuyouhoge raadvoor diamant,jibilishizuanshigaojiecenghuiyifaxing,keyizheimeshuo,hrd zuanshizhengshushimuqianzuiquanmianheanquandezuanshizhengshu。taduinindezuanshide4cdengjijinxinglexiangxidemiaoshu,chumiaoshuzuanshidewaixing(shape),chicundaxiao(measurements)jizhongliang(weight)zhiwai,tebieduiqiegebilvzuogengxiangxideceliangbaogao,ruzhuomian(table)、yaoweihoudu(thin)、guanbugaodu(cr. height)jidibushendu(pavilion depth)。zaihrdzhengshuneideshuzijilushang,neizaihuowaizaitezhengzaizhengshuneijibaozhuangzhishangdoutiezhejingduzhitubiaojixiangxijihao。
keyishuo,ruguoxuyaosuogoumaizuanshidexiangxiqingkuang,zehrdzuanshizhengshushizuiweiheshide。zhengshiyinweiqizhengshuneirongxiangxi,yijianquan,yincizaiouzhou,hrdzuanshizhengshushizuishouhuanyingde,yuanchaoguogiazuanshizhengshu。
四、国内最权威的钻石等级证书—NGTC钻石证书
ngtczuanshizhengshuyouguojiazhubaoyushizhiliangjiandujianyanzhongxinchuju,shiyouguojiayouguanzhuguanbumenyifashouquandeguojiajizhubaoyushizhuanyezhijianjigou,shizhongguozhubaoyushijiancefangmiandequanwei。qishiyongdezuanshifenjixitongyeyanyongguojiguanlianzhaozuanshideqiegong、yanse、jingduyicipailiedengji。ngtctongshiyeshimeiguobaoshixueyuan(gia)zaizhongguodaluweiyidehezuohuoban。
ngtczuanshizhengshuzaishichangshangyouxiangdanggaodequanweixing,shenzhibigiazuanshizhengshudebiaozhungengyange,youshihuichuxianyixie“diaoji”deqingkuang,jutibiaoxianzai:
1. 钻石颜色:
giazhengshuese,ngtcyoushijiandingchengfgse
giazhengshugse,ngtcyoushijiandingchenghse
giazhengshuhse,ngtcyoushijiandingchengijse
2. 钻石净度:
giazhengshuif,ngtcyoushijiandingchengvvs
giazhengshuvvs2,ngtcyoushijiandingchengvs
giazhengshuvs2,ngtcyoushijiandingchengsi
youyuzaiguoneizuozuanshijiandingbizaiguowaijigouhuifangbianyixie,qientgcdezhengshujuquanweixing,yinciruoxuxuanzeguoneijigouzuozuanshijiandingdehua,zengtcweishouxuan。danyouyidianyaozhuyi,yibanqingkuangxia,ngtczhizaiguoneijuquanweixing,zaiguowaikenenghuibubeirenke。
五、最重视切工的钻石等级证书—AGS钻石证书
agszuanshizhengshuyoumeiguobaoshixiehui(american gem society )kaiju。tayuqitajiandingzhiduzuidadebutongdian,jiushitachulezhongliang(carat weight)yiwai,agsbazuanshidechegong(cut)yanse(color)jingdu(clarity)fenji,congzuijiade0daozuichade10, fenchengshigedengjichucizhiwai,agszuanshifenjizhidugengjiangzuanshide4czhongzuizhongyaodechegong(cut) gongshihua,jinerjiangzuanshidechegongdairuxindelicheng。biru:agszuanshizhengshuzhongchegongdengjiwei0dezuanshishizuanshichegongjizhidebiaozheng,ruguoyousange0,jibiaoshigaizuanshibili(proportions),paoguang(polish)jiduicheng(symmetry)junshiwanmei,shizuanshichegongdewanmeizhijixian!
yinci,ruguozhongshizuanshidewaizaibiaoxian,biru“shanbushan”,“huocaidabuda”,zeagszuanshizhengshugengnengduiqiyouxiangxierzhunquedepingjia。wanmeizuanshiyerenwei,zuoweishipindezuanshi,qiqiegongshi4czhongzuizhongyaodeyigeyinsu。
yishangzhishiwoaizuanshiwangjingguozhangqiguanchayushichangshijiansuozongjiechulaidezuiquanweidewuzhongzuanshizhengshu,danbingbudaibiaoqitazuanshizhengshubuquanwei,qishi,zhiyaosuomaizuanshiyouyixiarenyiyizuanshizhengshu,zejiubuyongdanxinqizhiliangwenti。
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深圳市罗湖区翠竹街道贝丽北路金展珠宝广场二十层20F-05/06
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