裸钻证书的作用是什么？

       maiguoluozuandepengyoudouzhidao，zuanshiheqitabaoshiyiyang，zaigoumaishidouhuifudaiyifenjiandingzhengshu，erzheifenjiandingzhengshuduiyuxiaofeizhelaishuoyeshibibukeshaode，neimemaizuanshiweishenmeyaoyouluozuanzhengshu，luozuanzhengshudezuoyongshishenmeni？xiamianhexiaobiangongtonglejieyixia。

       裸钻证书的作用

       1、lejieluozuanpinzhidengji

       quanweijigouzaiduiluozuandengjijinxingjiandingzhihou，douhuichujuyifenluozuanzhengshu，meiyifenluozuanzhengshushangdouhuiyouguanyuluozuanpinzhidengjidemiaoshu，biruluozuandezhongliangdaxiaoyijiyanse、jingdu、qiegongdengji，suoyixiaofeizhetongguoluozuanzhengshukeyimingquedezhiduiyingzuanshidedengji，youqishigialuozuanzhengshushanghaifuyouzuanshijingdutezhengbiaohuituhezuanshibilitushi，gengfangbianninquanmianlejiezuanshi。

       2、quedingzuanshizhenjia

       duiyuxiaofeizhelaishuo，zuanshizhenjiashijiaoweizhongyaodeyidian，zaiyixiejiandingbumenbujinweitianranluozuanchujuzhengshu，bingqiehaikeyijiandingrengonghechengzuanshi，ruguoshirengonghechengdeluozuan，yibanhuizaizhengshushangbiaozhuchulai，fangbianxiaofeizhelejie，suoyitongguoquanweibumenchujudeluozuanzhengshu，womenkeyizhidaozheikeluozuanshibushitianranzuan。

       3、luozuanziliaopingzheng

       每一颗裸钻都有对应的证书，而裸钻证书上所记录的各项钻石级别，duiyuyihouluozuanzhongxingujiadengdoushibijiaofangbiandecankaoshuju，youqishigialuozuanzhengshubujinshiyongyupingshizuanshigujia，bingqiezaiguojipaimaichangheyedouyigialuozuanzhengshushangdedengjishujuweizhun。

       4、luozuangujia

       zhongsuozhouzhi，luozuanjiageshizongheluozuandezhongliangdaxiao、yansedengji、jingdudengji、qiegongdengjilaidingde，suoyitongguoluozuanzhengshulejieguozuanshigegecanshudengjizhihou，duiyuzhuanyerenshilaishuokeyihenfangbiandegujimeikeluozuandejiazhi。

       luozuanzhengshuzaiwomengoumaizuanshideguochengzhongshibijiaozhongyaode，xiaofeizhepingshigoumailuozuanshiyidingbuyaowangjisuoyao，lingwairuguogoumai1kelajiyishangdaxiaodeluozuanzuihaojubeigiazhengshu，guojirenkegengquanwei，er1kelayixiadezuanshixuanzeguojiandengtchuogicyekeyi。