为什么30分以上的钻石才有gia证书

发表于：2019-01-21 浏览：16046 来源于：我爱钻石网

在购买钻石时，消费者最关注的就是钻石真假及品质，因此对能证明钻石身份的“证书”都极为关注，国内钻石证书主要有两种，一是国际认可的GIA证书，二是国内权威部门出具的国检证书，但在购买钻石时却被商家告知只有30分以上的钻石才有GIA证书，这是为什么呢？

zaigoumaizuanshishi，xiaofeizhezuiguanzhudejiushizuanshizhenjiajipinzhi，yinciduinengzhengmingzuanshishenfende“zhengshu”doujiweiguanzhu，guoneizuanshizhengshuzhuyaoyouliangzhong，yishiguojirenkedegiazhengshu，ershiguoneiquanweibumenchujudeguojianzhengshu，danzaigoumaizuanshishiquebeishangjiagaozhizhiyou30fenyishangdezuanshicaiyougiazhengshu，zheishiweishenmeni？

钻石证书

30fenyishangdezuanshicaiyougiazhengshuma？gia（meiguobaoshixueyuan）zhengshushoudaoguojishangderenke，yinciguoneibushaoxiaofeizhezaigoumaizuanshishidoushiyigiazhengshuweizhunde，dananzhaoguojiguanli，zhubaoshangyibanzhihuiweidankezai0.30ct，ji30fenyishangdezuanshichujugiazuanshi4cfenjizhengshu。guoneiquanweijigoukeyiwei0.20ct，ji20fenyishangdezuanshichujuzuanshi4cfenjizhengshu。

bujingiazhiwei30fenyishangdezuanshichujujiandingzhengshu，bingqiehaibixubaozhengshiluozuan，yinweixiangqianhaodezuanshikenenghuiyangaihuoyingxiangyanse、qiegonghejingdudengji，daozhinanyiquedingqueqiedekelazhongliang。bingqieweiluozuanfenjishi gia keyijiancezuanshiyongdaoderenhechulifangshi，erbusunhuaizuanshihuoanzhuang。suoyigiashizhijiandingluozuande。

为什么30分以上的钻石才有gia证书

duiyuzheizhongqingkuang，daduoshurenrenweidiyu0.30zheigekelashudezuanshizaijiandingshi，hennanduitadeyanse、jingdujinxingfenji，wufawanquanfenjijiubunengqueqiezhidaojiazhi；lingwaiyigekaolvjiushixiaokeladezuanshijiazhibugao，jiandingdefeiyongyoushihoushenzhihuichaoguozuanshibenshendejiazhi，suoyiyiban20fen、30fenyixiadezuanshibuhuichujugiazuanshifenjizhengshu。

30分以下的钻石看什么证书

xiaofeizhezaigoumaizuanshideshihouzhuyaoyizhengshuweizhun，youyugiabingbuwei30fenyixiadezuanshitigongjiandingfuwu，suoyixiaofeizhekeyiyiguoneijigouchujudejiandingzhengshuweizhun，birungtczhengshu。lingwaiduiyu10fenjiyixiadaxiaodezuanshitongchangshimeiyoufenjibiyaode，yinweizheizhongzuanshidadoudangzuopeishilaiyong，rouyanburongyiguancha。

zhendui30fenyishangdezuanshi，jianyidajiakeyixuanzeshuangzhengshuguize，biruwoaizuanshiwangquanqiuluozuanzhigoupingtaiweimeiyike30fenyishangdezuanshitigongguojian、giashuangzhengshu，gengfangbianxiaofeizhelejie，bingzhichifujian，baozhangnindegouwuanquan。