3ex切工是什么意思？3EX钻石详解

zuanshicongqiegongbili、paoguang、duichengxingsanxiangfangmianlaihuafenqiegongdengji。qizhongmeiyixiangjunkeanzhaoxingyefenweiwugejibie，yougaodaodiyiciweiexcellent（ex“wanmei”）、very good （vg“feichanghao”）、good（g“lianghao”）、fair （f“yiban”）、poor （p“cha”）。

dangqiegongbili、paoguang、duichengxingjundadaoexcellent（ex“wanmei”）jibie，ji3exdengji，shizuidingjidezuanshiqiegong，daibiaozhiyou3%deyiliugaozhiliangzuanshicainengdadaodebiaozhun。

xiamianfenbiejieshaoqiegongbiliex、paoguangex、duichengxingexdetedian：

切工比例“EX”

qiegongshizuanshipinzhizuizhongyaodeyinsu。qiegongjuedinglezuanshidebili（shenduyukemianjiaodu），biliyoufanguolaiyingxiangzuanshineiguangxiandefanshefangshi。

qiegongdengji“ex”biaoshizuanshideqiegongcanshuchuyuyidingfanwei，keshizuanshichengxianqiangliedeliangdu、shanshuoduhehuocai，tongshijuyoufenbujunyundeminganquyu（shanguang）；erqiegongbuliangdezuanshitongchangyoudakuaiqiansehuoshensedeseban，shizuanshikanqilaihenandanhuomeiyouxiyinli。

抛光“EX”

paoguangzhizuanshidebiaomianxiushizhilianghuozuanshibiaomianpaoguangdepinghuachengdu。

zai 10 beifangdajingxiaguancha，paoguang“ex”dezuanshimeiyourenhekejiandepaoguangquexian。paoguangbuhaodezuanshikenengyourouyankanbujiandebiaomianquexian，zheihuixueruozuanshideguangcaiheshanshuodu。erpaoguangbijiaohaodezuanshiruguoyongyoushidangdebiliheduichengxing，zekezaiguangxianzhaoshexiachengxianyaoyandeliangdu、huocaiheshanguang。

对称性“EX”

duichengxingshizhizuanshixingzhuangdejingzhundu，kemianpailiedeyoulie，yijitongleikemianzaichicun、xingzhuanghebilishangdeyizhichengdu。zaiduichengxing“ex”dezuanshizhong，suoyoukemiandouyingxiangjiaoyuyaowei（zuanshidezuikuanbufen）。

guanbu（zuanshidingbu）zhengxingkemiandejianduanyingyudibu（zuanshidibu）xiexingkemiandejianduanduiqi。dingbudezhengbabianxingzhuomiankemianyingjuzhong，erdibudedibukemianyingwanmeijiaohuiyuzuanshijianduan。“ex”duichengxingkezengqiangzuanshidefansheguang，shizuanshikanqilaigengxiediao。

zaixuangouzuanshishi，daduoshuxiaofeizhehuishouxiantiaoxuan3exqiegongdezuanshi，danzheizhongqiegongjibiexianranjiagehuigengguiyixie。zaiyusuanyouxianshi，keyijiangdiyixieduichengxingyupaoguangjibie，birujiangexjiangdiweivg，yinweiduichengxinghepaoguang“ex”dezuanshiyuduichengxinghepaoguang“vg”dezuanshizhijiandechabiezhiyouzaifangdajingxiacaikandechulai。

chuqiegongwai，xiaofeizhetiaoxuanzuanshihaiyingkaolvdaoyanse、jingdu、yingguangdeng。zongdelaishuo，zuanshipinzhibixuzonghekaolvdaosuoyouyinsu，ruguoyanse、jingdujibiejiaocha，neimeqiegongdadao3exjibieyemeiyoutaidayiyi，zuanshide4cdengjizhijianyingjinliangdadaopingheng。jutixuangouzhinan，dajiayekezhijielianxiwoaizuanshiwangzhuanyekefujinxinglejie。