“理想切工”级钻石的切割比率

chengpinzuanshikefenjiewei4dabufen：taimian，guanbu，yaobuyutingbu。biaozhundemingliangxingqiegebaokuo56gekemianhe1getaimian，huozheshuo57gekemian。duiyuguanbu：8gezhuojiaohuofengzhengmian，8gexingxiaomianhe16geshangyaomian。duiyutingbu：8getingmianhe16gexiayaomian。

weishizuanshihuodezuidadeguangmang、huocaiyu“shengmingli”，yinganzhaoyidingdechicunyubilvduiqijinxingqiege，zheixuyaokaolvdaomeiyikezuanshisuojuyoudeguangxuetexing，congerquedingchuyigezuiyouhuadeqiege。

danyuancailiao（maopizuan）jiageanggui，qiemohoudezuanshijiaozhiyuanshizaizhongliangshangdesunshishenzhikeyidadao70 %yishang，zuanshishangmenyoushiweilebaochizhongliang，congerjiangdileduiqiegepinzhideyaoqiu，zheijiangdaozhizuanshizuizhongbunengchengweiyikejubeilixiangqiegedezuanshi。

xiangyingqiegebilvdezuanshiguangmang：

“lixiang”qiegeshiguangxianbeidetidifanshe，zuanshiyincierhuodepiaoliangdeguangmang

guobiandeqiegeshiguangxiantouleguoqu，zuanshiyinciershidiaoguangmang

guohoudeqiegetongyangshiguangxiantouleguoqu，zuanshiyeyinciershidiaoguangmang

zuanshiqiegongbilizhuyaocanshubaokuo：taikuanbi（table diameter）、guangaobi(crown height)、quanshenbi(total depth)、yaohoubi(girdle diameter)、tingshenbi(pavilion depth)、㡳jianbi(culet size)、guanjiaobi(crown angle)、tingjiaobi（pavilion angle）。

erzuanshijuyou“lixiang”qiege，xuyaokaolv3gezhuyaoyinsu：

①全深比：

kansiyigejiandandeshuju，danzheishizhidaoyikezuanshishifoujiangyongyoucuicanguangmangdezhongyaoyinsuzhiyi。zheigebaifenbihuodeyuzuanshidezonggaoduyuqizhijingdebizhi，cijisuanfangshishiyongyumingliangxingzuanshi，duiyuqitadeqiegexingshixuyaoyonggaoduchuyikuanduhuode。lixiangdemingliangxingzuanshiyinggaiyongyouyigejieyu 59%dao62.50 %zhijiandequanshenbaifenbi。

②台宽比：

taikuanbaifenbidechayiruoyuguanjiaoyutingjiaochayiduiyuzuanshiguangmangdeyingxiangchengdu。womentongchangkeyirenweiyiketaikuanbijieyu 55 % dao 58 %zhijiandemingliangxingzuanshikeyizhanxianqizuijiademeili，youqidangzuanshidezhiliangdayu0.50kelashizheigeshuzhigengjiaxiandezhongyao。

③ 腰厚：

yikemingliangxing（yuanxing）zuanshidelixiangyaobuhouduyinggaijieyu“bo”dao“weihou”zhijian。jiyaohouyinggaishi“bo”，“shizhong”，“weihou”huoshizheisangedeyigezuhe。liru：“shizhongdaoweihou”。yaobuhoududejibieruxia：jibo，henbo，bo，shizhong，weihou，hou，henhouhejihou。

yishangshiguanyulixiangzuanshiqiegebilvdexiangguanjieshao，congzhuanyejiaodueryan，meiyigezuanshiqiegongdengjidouzaiyidingdebilifanweizhinei，eryaoxianghuoquqizhongzuihaodeshuju，xuyaojinyibuyanxuan。zaizheigefangmian，dajiakeyilianxiwomenzhuanyekefuguwen，lejiegengduoxiangguanfangmiandexinxi。