钻戒怎么选？钻戒证书怎么选择

jiezhiyecheng“yuezhi”，zigubianyou“heyidaoyinqin，yuezhiyishuangyin”dedingqingshi。xianrujin，yinzhexifangwenhuadechuanru，zuanjieyichengweipoweichangjiandedingqingzhiwu。zaitiaoxuanzuanjieshi，chulezuanjie4cdengjizhiwai，zuanjiezhengshuyeshiyinggaiguanzhudezhongdian，shichangzhongzuanjiezhengshudeleixingyouhenduo（gia、guojiandeng），neimeguanyuzuanjiezhengshugaizenmexuanzeni？xiamianyiqilaiguanzhuyixiaba。

zaitiaoxuanzuanjieshi，jiandingzhengshufeichangzhongyao，yincitayoushiyoubeichengweizuanshidedi 5 c。

钻戒证书类型

xianxiashijieshangquanweidujiaogaoqieliutongxingqiangdezuanjiezhengshuzhuyaoyou：giazhengshu（meiguobaoshixueyuan），hrdzhengshu（bilishizuanshigaocengyihui），agszhengshu（meiguobaoyushixuehui）。guoneiquanweizhengshuleixingyou：ngtczhengshudeng。

giazhengshu：meiguobaoshixueyuangia（gemological institute of amercia），chengliyu1931niandemeiguoniuyue，shizuanshi4cbiaozhuntixidechuanglizhe，yeyejiegongrendequanweifeiyinglixingkeyanjigou，yigongzhengkeyandulierwenming。jubeigiazhengshudezuanshijibiexinxizaiquanshijiefanweineijunbeirenke。

hrdzhengshu：hrd antwerpzuanshizhengshuyou“zuanshigaojiecenghuiyilianmeng”zhiding，qibiaozhunyugiajihuwanquanxiangtong，shiouzhouzuanshishichangdechangjianzhengshuleixing，zaiguoneibingbuchangjian。

agszhengshu：agsyoumingmeiguobaoshixiehui，tazaiqiegongyanjiushangbigiagengjiaxizhi，zaigiade3exqiegongdengjichulaiyiqian，agsjiuchuanglile0-10deqiegongfenji，0jiweiidealcutlixiangqiegong，dangshizhiyouagsdelixiangqiegongcaibeirenweishizhenzhengdewanmeiqiegong。

ngtczhengshu：ngtc（national gemological training centre），quanchengguojiazhubaoyushizhiliangjiandujiancezhongxin，shimeiguobaoshixueyuan（gia）zaiwoguodaludiqudeweiyihezuohuoban。lishuyuguotuziyuanbuzhubaoyushishoushiguanlizhongxin，shiguoneizhubaojiandingxingyedequanwei。

maizuanjiexuannazhongzhengshu？yishangjieshaodejizhongzhengshuleixing，zaiguoneijunshuquanwei，shenshouguoneixingyerenshiderenke。dantiaoxuanhaoxiangyingdezhengshuleixinghou，rengyouyixiexuyaozhuyideshixiang。

钻戒证书怎么选择

xianggia、hrddengzhengshudequanweixingziranbubishuo，doukeyizhijiezuoweicankaoyiju，erruguoxuanzeguoneizhengshu，jiuyaoxuanzehuodezizhirenzhengde，ru：

1、cal：“cal”biaozhishizhiliangjiandujianyanjigourenzhengfuhao，guojiashouyudequanweixingbiaozhi。（shouquanrenke，daiyouzhifaxing）huodecalrenzhengjibenshangshishuyuguojiajigoudejiancejiancejigou，qitadisanfangjiancejigoujibenbukeneng。

2、cma：zheigebiaozhishiguojiaduijiancejigoudefazhixingdeqiangzhirenzheng，shiyanshiyaochujuzhengshubixuyaohuodecmazizhi，meiyouzheigezizhichujudezhengshujieguoshibuhefade，zhiyoutongguolezheiyangdeshiyanshidezizhi，caikeyichujujiancezhengshu，yinci，zheiyeshihefajiancejigoudebiaozhi。

3、cnas：zhongguohegepingdingguojiarenkeweiyuanhui（china national accreditation service for conformity assessment ），shigenju《zhonghuarenmingongheguorenzhengrenketiaoli》deguiding，youguojiarenzhengrenkejianduguanliweiyuanhuipizhunshelibingshouquandeguojiarenkejigou。bushiqiangzhiyaoqiuyoudezizhi，danruguoshiyanshishoucansrenke，biaomingshiyanshidejianceshuipingshifuheguojibiaozhunyaoqiude。

xiangguojianzhengshunggc、ngtcdeng，zhiyoufuhejiliangrenzheng（cma）、guojiarenkeweiyuanhui（cnas）、shencharenke（cal）yaoqiudeshiyanshicaijubeikaijujiandingzhengshudezige。

ruguozhijiexuanzegiadengguojiquanweizhengshu，yaozhuyizhengshudezhenshixing，keyitongguozhengshubianhao、zhiliangdengshouxianchayanyixiazhengshuzhenjia，quedingzhengshushifouweizhenshide。

yishangshizaizhengshufangmian，jidajiafenxiangdezuanjietiaoxuanjianyi。zaiduizhengshudetiaoxuanshang，woaizuanshiwangweimeiyike30fenyishangdeluozuan，yijidakelazuanjiejuntigonggiajiguoneiquanweijiandingbumenshuangzhengshu，quebaomeiyikezuanshijibiedezhenshixing。xiaofeizhezaiwoaizuanshiwanggoumaihuizuanjiezhihou，kedaoguoneiquanweijigoujinxingfujian，qinziheshizuanshidengji。