怎么看是不是二手钻石？新日期的钻石就一定不是二手的吗？

zaixuangouzuanshishi，henduoxiaofeizhebijiaoguanzhuzhengshuriqi，weilebimianmaidaozuanshizuanshi/zuanjie，bufenxiaofeizhehuiyaoqiutiaoxuanzhengshuriqizaibannianneidezuanshi，dangiazhengshuriqixin，budaibiaozuanshiyeshixinde。

①新日期的钻石一定不是二手钻吗

kenengdabufenxiaofeizhedoubuzhidao，giazhengshuderiqishikeyiqugiajiandingjigouzhongkaihuozhegengxinde，xiangdangyubazuanshisongqugiafujianyixia。biruyike19niandezuanshi，songqugiazhongkaizhengshu，neimeqijiandingriqijiubianchenglexianzaide。

suoyi，jintongguozuanshizhengshuriqi，womenhennanzhidao，yikezuanshishizhendexinzuan，haishijiuzuan。

②即使是证书日期在半年内的钻石，也有可能是二手钻

zuanshiercijiaoyidegaofaqiyoulianggeshijianduan：bannianneihewunianhou。

yixiegukekenengchongdongzhixiamailegaopinzhidazuan，danmaihuiquzhihoucaiganjueshifenhouhui，weilebimianduihouxushenghuofangmianzaochengyingxiang，tamenkenenghuiyigeyueneijiuyaozhuanmaidiaozuanshi。haiyoudekenengganqingshengbian，maihuiqudezuanjiezhinengchulidiao，zheiyangdeqingkuangbingbushaojian。erzheixiezuanshiyeshiershouzuan。

suoyi，buyaojuedezhengshuriqixindezuanshijiuyidingbushiershouzuan。

zaidajiadouzhuiqiuxinriqidezuanshideshihou，laoriqidezuanshihuizhixiao、bianzhi，jiagefanerbianyiyixie，dajiazaitiaoxuanzuanshibufangguanzhuyixia。

qishi，xiangbiyuzuanshizhengshuderiqi，zaixuangouzuanshideshihou，gengyinggaiguanzhuzuanshizishen。

zuanshiyingdushizuigaode，jishipeidaihenjiuyehennanmosun，zaixuanzezuanshishi，wulunlaoriqihaishixinriqi，keyiyongshibeifangdajingquguanchazuanshiyaolenghedijian，kanyoumeiyoupinzhiwenti。yekeyizixichakanduibizuanshijingdutezhengjifenbuqingkuang，bimianmaidaotaozhengzuanshi。