giashimeiguobaoshixueyuan(gemological institute of america)desuoxie,shicongshizhubaojiandingjizhubaozhuanyezhishidejiaoyuheyanjiujigou。giazaiquanqiuyiyoushisigejiaoxuejigou,tigongzhuanyedeyanjiu、xiaoshou、jiandingdengkecheng,peiyanggaosuzhidezhubaocongyerenyuan。
zuoweiyigefeiyinglijigou,giabaoshijiandingjieguoyigongping、gongzhengdetedianbeiquanqiuyeneiwairenshisuorenke,rujiashide、sufubidengguojipaimaixingzhongdezhenpinzuanshiyishiyigiazhengshudejiandingweigujiabiaozhun。
GIA证书的权威性
1、giashizuanshifenjitixidexianqu。
giazuizaochengliyu30niandaidemeiguo,daguimofazhanshizai50niandai,zheiyiduanzhenghaoshimeiguogongye、xiaofeidafazhandeshiqi。zheiduanshijiannei,quefayigexitongdebiaozhunlaiguifanhuazuanshitixi,giaqianzhanxingdizongjieleqianrendejingyan,jiangzhiqianxingyelimianshangrenmenyonglaixuanshitoude“jingdu”“yanse”degainianxitongdetilechulai,bingyu50niandaizhengshitichule4cdeshuofa,weijinhouzhubaoxingyedekuaisufazhanqidaolezhongyaodezuoyong。
guojizhubaolianhehui(cibjo)、hrd(bilishizuanshigaocenghuiyi)、idc(guojizuanshiweiyuanhui)、igi(guojibaoshixueyuan)、ngtc(guojiazhubaoyushizhiliangjiandujianyanzhongxin)dezuanshifenjitixijibiaozhun,juncaiyonggiade4cgainian,zaicijichushangxiugaihuozhidinglexiangyingbiaozhun。
2、giashibazuanshijiandingzhengshutuiguangchengweiguojihuadechuangshizhe。
congshangshiji50niandaizhijin,giazuanshifenjitixibuduanfazhan,zaitichudejichushangbuduanyouhuajigaijin,zhiliyanjiubingtuixingzuanshifenjidebiaozhunhuachengdu , dingyilefenjishuyu , tongguobuduandeshijian、taolun、gexinlezuanshifenjideyiju、 yuanlijibuzhou , yiqidadaokeguan、gongzhengbingweishijiesuogongrendemude。 gaijiandingshiyanshituichudezuanshifenjizhengshujizuanshiyedailailegemingxingdeyingxiang。
giazaimeiguoheouzhouderenzhichengdufeichanggao,jibenshangshuyuquanmingjiezhi。ziranzaigoumaizuanshideshihouhuixuanzegiazhengshu。suizhezhongguodekaifanghefazhan,giazaizhongguoderenzhiduyemingxiantigao,yemomodechengweileguorenzuirongyijieshoudezuanshizhengshu。
国际和国内的GIA钻石市场
guojishichangshang,giazhengshudeshiyongjipujichengdushangshizuigaode,yixieguojizhimingpinpailirudifuni,kadiyadedinghuozuanjiezhong,yeyouyibufenzuanshicaiyonglegiazhengshu,danshikaolvdaochengbenheyingxiaocelve,bingmeiyouquanbuyongyougiazhengshu。
guoneishichangshang,jibenshangfenweiliangzhongqingkuang,yigeshidaigiazhengshude,lingwaiyigebudaigiazhengshude,shichangzhanyoulvgezhanyiban。qizhongbudaigiazhengshudezuanshiyinweiqijiagehechengbenyuanyin,shibudairenhezuanshiluoshizhengshude,zhiyouzuanjiechengpinzhengshu。dangranhaiyouyixiaobufendingzhi,zaishoumaiyixieqitaguojizhengshudezuanshihuozhengtcfenjizhengshu,jinjinshihenxiaoyibufen。
meiyougiazhengshudezuanshiyekeyigoumai,danduiyuxiaofeizheeryan,guoneizuanshizhengshuzhongdeneirongkenengmeiyouneimexiangxi,biruzuanshijingdutu、gegeqiemianchicunjiaodudengdeng。zhideyitideshi,ruwoaizuanshiwangdengyixieguoneishilizuanshipinpai,suoxiaoshoudemeiyike30fenyishangzuanshi,juntigonggia+guojianliangzhongzhengshu,gengbianyuxiaofeizheduizuanshidelejie。
Copyright © 2006-2022 我爱钻石网 cqzyjs.com All Rights Reserved
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
shenzhenshizuanyonghengkejiyouxiangongsi