简单易懂，1分钟学会看GIA钻石证书

quanmianjiedugiazuanshizhengshuneirong，jiaoniyizhangtukandonggiazhengshu。

1、看日期

zhengshuriqizuihaozaiyinianyinei，jinliangbuyaochaoguo1nianban，yifangmaidaoershouzuan；

2、看GIA钻石编码

giazhengshubianhaoxiangdangyuzuanshideshenfenzhenghaoma，yizuanyizhengyima。meiyikegiazuanshiyaolengchudouyouyichuanjiguangshuzima-duiyinggiazhengshubianhao，keyitongguofangdajingzaizuanshiyaolengchukandao。

3、看钻石4C

carat（kela）：zhizuanshidefenshudaxiao

clour（yanse）：d-esewanmei，gse、hsexingjiabigao，jseyixiazuanshipianhuangbuyaomai

clarity（jingdu）：yidingyaoxuansi1jiyishang，xuanrouyanganjingdezuanshi，si1jingduyixiadezuanshiyiyourouyankejiandeheidian。

cut（qiegong）：youxianxuan3exwan/meiqiegong，zuanshihuigengshan，vgyixiaqiegongdengjibuyaomai

4、看荧光

youxuannwuyingguang，yusuanyouxianzuidixuanmzhongyingguang；qiangyingguangzuanshibuyao

5、看钻石切割比例

zuanshiqiegongbilituzaigiazhengshudeyouce，womenzhixuyaoguanzhuzheilianggebilizhi：

taikuanbi：zuanshitaimiandepingjunkuanduyuyaobupingjunzhijingdebizhi，biaozhunbizhi52%-62%

quanshenbi：zuanshidijianchaoxiadezongxiangshenduyuyaobupingjunzhijingdebizhi，biaozhunbizhi57%-63%

6、钻石瑕疵素描图

1kelajiyishangdezuanshigiazhengshushangcaiyouxiacisumiaotu，shangmianbiaozhulemeiyikezuanshidexiacileixing、weizhi。youxiexiacitezhengduizuanshiyouhendayingxiang，jinliangbikai：

chip（posun/liehen）

cavity（donghen）

bruise（cashang）

laser drill hole（leishedong）

indented natural（neiaotianrancaomian）

★★★

zuanshixiaciyueshaoyuehao，xiaciweizhijinliangkaojinyaoleng。

naizuanzaizhengshushangbuxianshi，ruguoxiacizhonghanyoucloud，danmeiyoubiaomingweizhi，zhizai“beizhu”shangtixing，xujingtinaiyouzuan。

※zuanshishitianranshengchengdebaoshi，meiyikezuanshijibendouyouxiweideneihanwu，buyaoguoyuzhuiqiuwanmei。

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giazuanshizhengshuquanqiutongyong，anzhaoguanli，30fenjiyishangdeluozuancaiyougiazhengshu，30fen-99fendezuanshishigiaxiaozhengshu（2ye），1kelazuanshijiyishangshidazhengshu（3ye），bixiaozhengshuduoyixiangzuanshixiacifenbutu。