买钻石为什么要认准GIA证书？

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。