如何识别权威珠宝证书?

 　　muqian，guoneiyouyibaiduojiajingguocmarenzhengdezhubaojiandingjigou，zheixiejigouchujudejiandingzhengshushijuyoufalvzerende，yeshikexinrende。danshitongshi，yixiebufashangrenchuantongyixiesirenzuofangzhizuojiazheng，huozhezhaomeiyouzizhirenzhengde“jigou”chuzhengshu，zheibudanraoluanleshichang，erqieyejixiaofeizhedailailehendadegouwufengxian。neimewentilaile，xiaofeizheyingruhexuanzequanweijiandingzhengshuni?

　　1.证书上必须印有该机构的资质

　　jigoudezizhirenzhengyouwuzhong:calrenzheng、cmarenzheng、cnalrenzheng、cnasrenzheng、ilac-mrarenzheng。qizhongcmashiguojiaduijiandingjigoudeqiangzhirenzheng，tongsushuo，ruguozhengshushangruguoliancmarenzhengdoumeiyou，neimezheigezhengshushijiweibuzhunqueyeshijibukekaode。

　　2.证书上必须印有机构的联系信息

　　zaizhengshudefanmianshang，chuleyougaijigoujubeidezizhiwai，haibixuyougaijiandingjigoudemingcheng、lianxidianhua、dizhi、wangzhidengxinxi，nadaozhengshushikeyidiyishijianbodagaijigoudedianhuayanzhengzhengshudezhenwei，huozhedenglujigoudeguanwanglaichaxunzhengshudezhenwei。

　　zongzhi，youlejigoudelianxixinxi，womenjiukeyiyanzhengzheigezhengshushibushijiazhengle。

　　3.证书上必须有检验人员的签名权威。

　　genjuwoguoxingfadi14tiaodi1kuanguiding：“mingzhizijidexingweihuifashengweihaishehuidejieguo，bingqiexiwanghuozhefangrenzheizhongjieguofasheng……shiguyifanzui.”zheishiwoguoxingshilifazhongguanyu“mingzhi”guyifanzuigainiandemingqueguiding，jiandingjigouruozhijiazaojia，shixuyaochengdanliandaizerende，zheiyejiushiweishenmezaizhengshushangxuyaoxieshangjiancerenyuanxingming、fujianren(shenheren)deyuanyin。

　　4.证书上的鉴定内容比较全面、详细

　　jiandingzhengshuzuizhongyaodexinxijiushijianceneirongle，butongfenleidezhubaoxinxigeyoucezhong：

　　钻石分级证书

　　zuiyingguanzhudeshizuanshide4cdengji：yansejibie、jingdujibie、qiegongjibie、zhongliang。dangran，bingbushisuoyoudezuanshidouyou4cbiaozhun，meiguobaoshixueyuan(gia)debiaozhunshizhongliangdayu0.3keladezuanshicainengchujuzuanshifenjizhengshu。

　　guijinshushipinchundujianyanzhengshu

　　zuiyingguanzhudeshiguijinshudezhongleijiqihanliang。

　　珠宝玉石鉴定证书

　　jianyanjielunzuizhongyao。genjuguojiabiaozhunguiding，tianranzhubaoyushibuzaibiaoming“tianran”erzi，erjingguorengongchulihuoshirengonghechengdebaoshibixumingshi，ru：jielunwei“hongbaoshi”，shuomingzheikehongbaoshiweichuntianranchanchu;“hongbaoshi(chuli)”shizhuminglejutidechulifangfa，biaomingzheikehongbaoshiweitianranbaoshi，danweigaishanqiwaiguanjingguolemouzhongfangfaderengongchuli;“hechenghongbaoshi”zebiaoshifeitianranchanchuhongbaoshi，ershichunrengongdeshiyanshihechengpinle。“beizhu”lan：yibanjianceguochengzhongpengdaoyixiexiangduiteshuzhuangtaideyangpin，douhuizaibeizhushangjiayijieshizhuming。liruhetianyudejiandingzhengshuzhong，yidanshejidaobiaomianchulideqingkuang，zehuizaibeizhuzhongzhumingjutidechulifangshi。feicuidejiandingzhengshuyibanhuibiaozhuwei：feicui(ahuo)、piaobaizhujiaochulifeicui(bhuo)、ransechulifeicui(chuo)。

　　5.证书上的鉴定项目必须是机器打印的

　　guojiaduijiandingzhengshushiqiangzhiyaoqiubixuweijiqidayin，shougongtianxiedejiandingzhengshushibujubeirenhecankaojiazhi。

　　ruguoyifenjiandingzhengshushangjubeishangmianzheiwugexinxi，neimegaizhengshushibijiaoquanweide。