zuanshizhengshushipingguzuanshipinzhihejiazhidezhongyaoyiju,shichangshangchangjiandezuanshizhengshuyoulianglei:giazhengshuheguojianzhengshu,tamenzaipinggubiaozhunfangmiancunzaiyixiechayi,shichangdiweiyeyousuoqubie。yixianeirongjieshaogiazhengshuheguojianzhengshudexiangguanxinxi,bianyudajialejieliangzhedequbie。
GIA证书
GIA是国际钻石评估机构——美国宝石学院(Gemological Institute of America)的简称,其严谨的标准和广泛的认可度使得GIA证书在市场上被普遍认可和信任。GIA证书提供详细的钻石分级信息及特征描述,包括克拉重量、颜色和净度分级以及切工比例等方面。
国检证书
国检证书是指国内各种鉴定部门出具的钻石检验证书,证书种类较多,如NGTC证书、GIC证书等等,国检证书也提供了钻石的基本特征评估,包括重量、切工、颜色和净度等方面。然而,其中一些国检证书的评估标准相对较为简化,只有基本特征描述,不像GIA证书那样提供详细的钻石评估报告。
GIA证书和国检证书的区别
1、检测对象
giazhengshuyibanzhijiandingluozuan,ruguoshichengpinzuanjie,yeshizhijiandingzuanshibufen,guojianyibanyonglaijianyanxiangqianhaodezuanshi。
2、检测标准
qiegiaheguojiandepinggubiaozhunyousuoqubie,giadejiancebiaozhunbijiaoqingxiangyuzuanshideqiegong,guojianngtcdejiancebiaozhunbijiaoqingxiangyuzuanshideyanseyujingdu,yincigiazhengshushangchujudeseduhejingdu,fanyingzaingtczhengshushang,kenenghuilvediyigedangci。
3、证书认可范围
giazhengshuheguojianzhengshuzaishichangrenkeduhexinrendufangmianyecunzaichayi。giazuoweiquanqiuquanweidezuanshirenzhengjigouzhiyi,qizhengshuzaiguojishichangshangbeiguangfanjieshouherenke。guojianzhengshuzegengshouguorenderenke,zaiguoneizhubaoshichangbijiaoyouquanweixing。
zongdelaishuo,giazhengshuheguojianzhengshudezhuyaoqubiezaiyupinggubiaozhun、shichangrenkeduhexinrendufangmian。zaigoumaizuanshishi,zheiliangzhongzhengshudoukeyitigongkekaodezuanshizhiliangxinxi,quebaonisuogoumaidezuanshidepinzhihejiazhixiangfu。jibianduizuanshizhengshufangmianyousuoyilvyebuxudanxin,muqianguoneibushaozhubaopinpaisuoshouzuanshitigonggia+guojianshuangzhengshu,shuangzhongbaozhanggengfangxin。
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