钻石证书日期超过两年正常吗？可以买吗？

zuanshizhengshuriqichaoguoliangnianduizuanshidepinzhibingmeiyouyingxiang，bushaoxiaofeizhedanxinzhengshuriqijiaozhangdehuishiershouzuanjie，qishizheileizuanjieyeshikeyimaide。

钻石证书日期超过两年正常吗？

zuanshizhengshuriqichaoguoliangnian，zheileiqingkuangzaipinpaimendiangengweichangjian。

liansuozhubaopinpaicaigoudezuanshi，yibanhaixuyaobijiaozhangdeliuchengfenfagegefendian，erfangzaigegemendiandezuanshiyebingbuyidingkeyihenkuaixiaoshouchuqu。

biruyixiebushoushichanghuanyingdejibiedezuanshi，doushixuyaobijiaozhangdeshijiancaikeyimaichuqu，zheizhongzuanshidai2-3nianqiandezhengshudoushibijiaozhengchangde；ruguoshidakeladezuanshishenzhikenengdaizhe5-10niandezhengshu，yinweidakeladezuanshixuqiuderengengshao，xuyaobijiaozhangdeshijiancainengmaichude。

zuanshizhengshuriqichaoguoliangniankeyimaima？pengdaozheiyangmaidaogiazhengshushibijiaozaozhiqianchujudezhengshuzuanshi，yebuyaotaidanxin，zuanshibuhuiyinweizhengshushijianjiuerpinzhibianchade。

钻石证书出具日期在多长时间比较合适？

zuibaoxiandejiushimaizhengshuriqizai6geyueyineidezuanshi。

yikezuanshicongqiegewanbichujuzhengshu→guowaigongyingshang→guoneipifashangzheizhongjiandagaixuyao3-5geyuedezhouqi。jiashangzhizuochengpinheliutongdaodianneishangjudeshijian1-3geyue。ruguochengpinzuanjiechujuzhengshudeshijianzai6geyueyinei，tashiershouzuanjiedegailvjihuwei0。zaigoumaizuanshizhiqian，keyigenjuzhengshubianhao，chaxunzuanshizhengshuchujuderiqi。

buguozuanshi/zuanjiebingbushiputongshangpin，xiaoshousudubingbukuai，congshijiqingkuanglaikanyinianneichujuzhengshudezuanshi，shiershouzuandegailvdoubijiaodi。

jinpingzhengshuchujuriqidezaowanbunengzhunquepanduanzuanshishifoushiershouzuanjie，yebuhuiyingxiangdaozuanshibenshendedengjigaodi，suoyizhengshuchujuriqibijiaozaodezuanshi，yekeyimai。

zaixuanzegiazuanshishi，gengyinggaizhuyideshizhengshuzhenjiayijizhengshuyuzuanshishifoupipei，xiaofeizhemaidaozuanshihou，keyidaoguojiaquanweizhijianjigoujinxingfujian，zheiyangzuibaoxian。