在钻石鉴定机构中,GIA(美国宝石学院)是公认最权威机构,其提出的钻石4C标准受到行内外认可,而为保证钻石品质,消费者在购买钻石时,也大多要求有GIA证书。但很多消费者在将钻石/钻戒等购买回来之后,还会到国内权威机构进行复检,那么钻石再次进行国内复检的意义何在?
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一、 确认定制钻石的真伪
wulunduogaomingdefangweijishu,zhiyaofangweinengzuodechulai,jiuyoubeifangmaodekeneng。xiangyaofangmaozuanshi,yaomeyongfangzuan(rugaoshideng)tidai、yaomeshiyongdidengjimaochonggaojibiedezuanshilaifangmao,huozhezhijieyipeiyuzuanshidaiti。danwuluncaiyonghezhongfangshi,qipinzhidouzaiyidingshangyugiazhengshubiaomingdepinzhiyouyidingchaju。erguoneifujianzhishaokeyizhengmingzuanshipinzhiyuzhengshubiaomingdepinzhishiyizhide,yejiubimianlemaidaojiazhengshuzuanshidekeneng。
二、 确认定制的钻石品质
zaizuanshifenjidejingduheyanselianggefangmian,renyiyigexianglinjibiedechaju,douyiweizhebufeidejiagecha,zheigebilitongchangzai5-15%zhijian。
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zuanshidepinzhifenjibiaozhunsuiranfeichangxizhi,yizhiyuxianglinjibiedechajulingputongrennanyifenbianchulai。danzheixiejibierengranshifanwei,erbushijueduizhi。erjiranshifanwei,jiucunzailinjiediandewenti,biru:yansedengjizhongdegsehehseshixianglindelianggejibie,dangsezhongbijiaochadezuanshihehsezhongbijiaohaodezuanshichabiejiujiqiweiruo。tongli,birujingduzhongvs2pinzhijiaochadehe si1jiaohaopinzhizuanshideshijichabieyeshifenweiruo。
zaixingyeshangyoudepifahuanjiezhong,zheizhongtongjibiezhongpinzhijiaochadezuanshijiagehuibizhengchangpinzhidelvediyidian。

erzaifujianshi,tongjibiezhongpinzhijiaodidezuanshi,diaojidekenengxingjiuhuidayixie。
feichangzhideyitideshi,zaiwoaizuanshiwanggoumaide30fenyishangdezuanshijiekechujugia+guojianliangzhongzhengshu,shuangzhongbaozhang,genganxin。
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