如何通过钻石证书了解钻石闪不闪？

ruguomaideshigiazuanshi，neimezheigezuanshishanbushan，kangiazuanshizhengshujibenjiukeyipanduanle。

1、钻石切工比例

qiegongyuehao，zuanshiyueshan，zuishandangran3exqiegong。

butongqiegongjibiezuanshideshanliangdu

qiegonghaohuaibujinjinkanzhengshushangsuopandingdeqiegongdengji，qiegongbilishujucaizhijiefanyingzheikezuanshiqiedehaobuhao。jishiliangkezuanshidoushi3exjibie，qiegongyeyoupianhao、pianchade，yinweiexqiegongzhishiyigefanwei，zaizheigefanweineideqiegongshujudoukeyihuafenweiexqiegong，qizhongbijiaocabiandeshuju、ganggangdadaoexqiegongdezuanshijiushibutaihao。

shenmeyangdeqiegongbilishujufanweibijiaohao？

zuihaomanzuyixiajigeyaoqiu：taikuanbi57%~60%，yaohoubi3.5%~4.0%，guanjiaozuibiaozhun34.5°，yunxufudong1°，yejiushi33.5°~35.5°bijiaohao，tingshenbi43.5%zuibiaozhun，yunxufudong0.5%zuoyoubijiaohao。

2、钻石瑕疵情况

① 瑕疵类型

zuanshixiacileixingshiyingxiangzuanshijingdujibiedezhongdianzhiyi，qizhongyouxieleixingdexiaciduizuanshishanliangduyingxiangjiaomingxian。

gaojingdudengjidezuanshiwentibuda，danruguoshidijingdudengji（ru，si1jizuanshi）jiuyidingyaoguanzhuyixiazuanshixiacileixing。birujingdutezhengzhiyouyige“cloud”（yunzhuangwu）deyaotebiexiaoxin，zheigehendakenengshinaiyouzuan，yejiushiwomenchangshuode“naizuan”。

② 瑕疵位置

jinliangbimianxiaciweizhichuyutaimianzhengzhongyangdezuanshi，xiacizaizheigeweizhihuizhijieyingxiangdaoguangxiandefanshe，lingzuanshikanqilaibuneimecuican。lingwai，taimianzhongyangdexiacigengrongyikandao，rangrenyikanbianshijiangzhuyilijizhongdaolezheili，yingxiangshijuexiaoguo。

3、钻石颜色

zuanshiyansejibieyehenyingxiangzuanshideshanliangdu。zuanshiyuejiejinwuse、yuebai，yuexiandeshanliang。ruguozuanshifanhuang，zuanshihuocaihuibeihuangseyangaiyibufen，kanqilaimeiyouneimeshan。

suoyixiangyaomaidaobijiaoshandezuanshi，zhishaoyaoxuanzemeiyoumingxianfanhuangdezuanshi。

4、钻石直径大小

zhijingkanqilaida，zuanshiyehuixiandeshanliangyixie。

zuanshizhijingyeshuyuqiegong，dantongdengqiegongjibiedezuanshi，youdezhijinghuidayidian，youdexiaoyidian，youqishikelazuandengdafenshudezuanshi，duibilaikanjiuxiangdangmingxian。zuanshizhijingjinliangzaibiaozhunfanwei，biruyikelazuanshidezhijingjiuzuihaoshizaibiaozhun6.40mmzuoyoudebijiaohao，buyingguoxiao。

zongdeeryan，xiangyaomaidaobijiaoshanliangdezuanshi，gefangmiandengjidouxuyaojinshentiaoxuan。jutineirongdajiahaikeyilianxiwomendezhuanyekefuguwenxiangxilejiee。