钻石切工3ex是指哪三项

zuanshiqiegong“3ex”shizhizuanshidebili、paoguang、duichengjundadao“ex”jibie。3exqiegongyouchengwanmeiqiegong、lixiangqiegong，zaigiabiaozhunzhongbiaoshizuigaoqiegongdengji。

giayijubili、paoguang、duichengxingdengsangefangmiandeqingkuanghuafenzuanshiqiegongdengji：

· qiegongshibakongzhenggezuanshidebili；

· paoguangshijianchasuoyoukemianshifoucunzailoupaohuozhepaoguanghen；

· duichengxingshizhigegekemianshifoudaxiaoxingzhuangyizhi，taimiandijianshifoujuzhong；

qiegong、paoguang、duicheng，qizhongdemeiyixiangdoufenchengwugejibie，conggaodaodiyicishiex（excellent，lixiangqiegong）、vg（very good，feichanghao）、g（good，lianghao）、f（fair，yiban）、p（poor，cha）。

neimezuanshiqiegong3exdeyisijiushizhi，zuanshideqiegong、paoguang、duichengdoudadaoleex（excellent）wanmeijibie，yejiushiwomenchangshuode3exqiegong。

3ex，shizuidingjidezuanshiqiegong，zhiyou3%deyiliugaozhiliangzuanshicainengdadaocibiaozhun。

xiamianfenbiejieshaoexqiegongbili、expaoguang、exduichengxing：

1、ex切工比例

biaozhunqiegebilidezuanshi，meiyigejiaodudoujingguojingquejisuan，lingjinruzuanshideguangxianwanmeizheshe，congerchengxiancuicanmirendehuocaixiaoguo。

dadaoexqiegongbilidezuanshi，qitaikuanbi、quanshenbi、guanjiao、tingjiaodengshujujunzaihelidefanweizhinei。

zuanshideqiegongshuju，zaigiazhengshushangkeyizhaodao，jitushangzuanshidebufen。

2、ex抛光

paoguangbiaominglezuanshibiaomiandepingzhengdu，biaomianpingzhengdudidezuanshi，huiyingxiangguangzaizuanshibiaomiandefanshehezheshefangxiang，jineryingxiangzuanshidehuocai。

xianzaihenshaohuichuxianvery goodyixiadepaoguangdengji。ermeiyoudadaoexcellentpingjiduoshiyoupaoguanghendaozhide。paoguanghenshizuanshijiagongshipaoguangpanbugoupingzheng，zaochengzai10beifangdajingxiazuanshikemianbiaomianzaitedingjiaoduguangxianzhaosheshihuiyouyitiaotiaodepingxingxian，richangrouyanguanchashichajuebuchude。

3、ex对称

duichengtixianlezuanshigegeqiemianpailieshifoucunzaipianyi、qingxiedengwenti，ruguozuanshideduichengxingjiaodi，huizaochengzuanshifanshejizhesheguangdepianyi，huiyingxiangzuanshidehuocaixiaoguo。

xuangouzuanshishi，huocaixiaoguohenshiguanjian，zaiyusuanchongzudeqingkuangxia，yibandoujianyishouxuan3exqiegongjibiede，eryansehejingdudengjikeyishidangjiangdiyidian，yidadaozuijiadehuocaixiaoguo。