钻石鉴定证书哪个最权威?

 　　maizuanshizenyangbaozhengzhiliangni?zuoweizhubaowaixingxiaofeizhe，doubijiaoguanzhuzheigewenti。jiandingzhengshushixiaofeizhequerenzuanshipinzhideweiyifangshi，erzuanshidejiazhiyouyoupinzhijueding。yinci，duiyuzhongduanxiaofeizhe，zhengshujihujiujuedinglezuanshidejiazhi，qikekaoxingheyizhixingxiangdangzhongyao。danshi，zuanshidejiandingzhengshuyougia、hrd、ags、eglyijiguojiandengtcdeng，zheimeduozhongzuanshijiandingzhengshunagezuiquanweini?zuanshibutongdejiandingzhengshuyouyoushenmechabienei?

　　zuanshidejiandingzhengshudouyoushenmequbie?qishi，tamendequbiezhuyaozaiyusangefangmian——jiandingxiangmu、chidudezhangwoyijichidudeyizhixing。xiamianwoaizuanshiwangdexiaobianzhutiaoweidajiaxiangjie。

　　1、鉴定项目。

　　(1)、jiandingxiangmushifouquanmian。

　　yingxiangzuanshijiazhidebiaozhun，zhuyaoshi4c，danqiyuleisiyu“yingguang”dengxiangmuyehuiyingxiangzuanshijiage，yingguangyueqiang，jiageyuedi。erhenduoguoneizhengshubingwucixiang。

　　(2)、jiandingshifouxizhi、kexue。

　　liru，qiegongshi4zhongdeyixiang，zaigiadepingjiatixizhongxifenwei3daxiang：qiegong、paoguang、duichengxing。youfenbietongguoqigexiangmujinxingpingding：mingliangdu、huocai、shanguang、zhijingyuzhongliangbi、yaobuhoudu、kemianduichengxinghepaoguangshuiping。haixuyaotongguoyiqijingqueceliangzuanshigebufendexiangxibilihejiaodu。erzaihenduoqitazhengshuzhong，qiegongdepingjiajintongguojiandancelianghuorouyanpinggulaipanduan。rucidechudejieguo，qiyiyiyugiaxiangchashenyuan。

　　2、尺度掌握。

　　suiranzuanshifenjibiaozhunmiaoshuqingxi、dengjizhongduo，danbingmeiyoukelianghuade、shijieshangtongyizhixingdejueduibiaozhun。yinci，butongzhijianjigousuiranduifenjidewenzimiaoshushixiangtongde，danchidubingbuwanquanyizhi。

　　liru，xiangbigiabiaozhun，igidejibiezhangwolvesong，ereglzechabiegengda。henduoshihougiapingjiaweihsedezuanshizaiigikeyizuodaogse，erzaieglzenengdadaofse。zheibingbunengyongsheiduisheicuolaipingjia，zhishidajiazhangwodechidubutongeryi。youyugiadechidubeiyeneiguangfanjieshou，suoyizheizhongxugaodejibiebingbunengzaimaoyihuanjiedailaizuanshiyijia。danzailingshouzhong，biaomianshanggenggaodejibiequehuishilingshoushangpingtianjiageyoushi，suoyiqirenghuibeibufenlingshoushangsuojieshou。

　　3、尺度的一致性。

　　qianmianshuoguo，bufenzuanshidengjimeiyouwanquanlianghuadebiaozhun，bingqiexuyaojiandingshirouyanzuochuzhuguanpanduan(lirujingdu---tianxiameiyouliangkezuanshidexiacishiwanquanxiangtongde)。yinci，jiandingguochengshifouyanjinkexue、jiandingtuanduishuipingshifouyizhi、butongjiandingshiduibiaozhunbawodeyizhixingdengyinsu，yehuiyingxiangpingjijieguodewendingxinghejiandingjigoudeshengyu，jineryingxiangdaoyouqichujuzhengshuzuanshideshichangjiazhi。

　　zuanshijiandingzhengshunagezuiquanwei?congyishangsanfangmianlaijiang，giawuyidoushizuijiade。shouxian，4cfenjitixibenshenjiuyuanzigia，qibiaozhunyibeixingyeneiguangfanjieshou。qici，giadejiandingxiangmuheshebeishiwanshanhexianjinde。disan，qijiandingliuchenghetuanduidezhuanyexingjingguodaliang、zhangshijiandeyanzheng，beirenweishikekaohewendingde。