各部位钻石刻面名称及计算公式介绍

zhuomiankemiantongchangshizuanshimianjizuidadekemian，jingtajujideguangxiancongshangfangsheruzuanshineibu，ranhoufanshezhiguanchazhedeyanjinghuoshijixusheruzuanshideneibu。

guanbukemianyou 8 ge fengzhengkemian、8 gexingxingkemianhe 16 geyaoshangkemianzucheng，tadezuoyongshijujibingsansheguangxian，xingchengliangdu、huocaijishanguangdeminganmoshi。

dibukemianyou 16 geyaoxiakemian、8 gezhukemianjiyigekeyoukewudejiandizucheng，guangxiantongguoguanbuzhehuizhiguanchazhedeyanzhong。

yingxiangyuanzuanqiegonghaohuaideguanjianyinsushizuanshidebili：qiguanbuhedibudejiaoduyijiqikemiandexiangguanchicun。meigekemianjiushiyimianxiaojingzi，tamendechicunhefenbuhuiyingxiangguangxiantouguozuanshifanshedaorenyanzhongdebiaoxianxingshi。

平均腰围直径

yuanxingmingliangshizuanshidezhijingzhiyigeyaoweibianyuanchuanguozhongxindaozhengduimianyaoweibianyuandezhixianjuli。

yinweijibianshiqiegongdengjijiaogaodeyuanxingzuanshi，yebukenengshiwanmeideyuanxing，yinci，womenhuiceliangjigedifangdezhijing，jiluzuixiaojizuidaceliangzhi。

pingjunyaoweizhijingtongguoyixiagongshijisuandechu，ranhousishewuru，jingquezhizuijiejindebaifenwei (0.01mm)：

pingjunyaoweizhijing =（zuixiaozhijing + zuidazhijing）÷ 2

gaifangfahaikeyongyujisuanzhuomiandaxiao、zongshendu、guanbugaodujidibushendudengbaifenbi。

全深百分比

yuanxingmingliangshizuanshidequanshenbaifenbiweizhuomiandaojiandideshendu，biaoshuweixiangduiyupingjunyaoweizhijingdebaifenbi，bingsishewuruzhizuijindeqianfenwei (0.1%)。

quanshenbaifenbitongguoyixiagongshijisuandechu：

quanshen ％=（shendu ÷ pingjunyaoweizhijing）× 100

桌面百分比

yuanxingmingliangshizuanshidezhuomianbaifenbiweisigezhuomianceliangzhidepingjunzhi（congfengzhengkemiandiandaofengzhengkemiandian），biaoshuweixiangduiyupingjunyaoweizhijingdebaifenbi。gaishuzhixusishewuruzhizuijindezhengshubaifenbi (1%)。

zhuomianbaifenbitongguoyixiagongshijisuandechu：

zhuomian ％ =（pingjunzhuomiandaxiao ÷ pingjunyaoweizhijing）× 100

zhuomianchicunduizuanshidezhengmianwaiguanyouzhexianzhudeyingxiang，youqidangzuanshijuyoutedingdeguanjiaohedibujiaodushi。

星形刻面长度百分比

xingxingkemianzhangdubaifenbizhixingxingkemianzhangduxiangduiyuyaoweizhizhuomianjulidebaifenbi。youbagexingxingkemianzhangdubaifenbidechudepingjunshuxusishewuruzhizuijiejindebaifenzhiwu (5%)。

xingxingkemianguozhanghuoguoduandouhuiduizuanshidezhengmianwaiguanchanshengfumianyingxiang。

冠角

guanjiaozhifengzhengkemianpingmianyuzhuomianpingmianzhijiandejiajiao。bageguanjiaoceliangzhidepingjunzhixusishewuruzhizuijiejindelingdianwudu (0.5°)。

guanjiaoduizuanshizhengmianwaiguandeyingxianghenda。yibaneryan，ruguozhuomianbaifenbihedibujiaodudeyi，qieguanjiaozai 32°dao 36°zhijian，zheiyangdezuanshiwangwangliangdugao，huocaiduo，shifenxijing。

冠高百分比

guangaobaifenbishizuanshideguanbugaodu，jizhuomiandaofengzhengkemianyuyaoweizhonghebufenzhijiandejuli，xiangduiyupingjunyaoweizhijingdebaifenbi。gaishuzhixusishewuruzhizuijiejindeqianfenzhiwu (0.5%)。

guangaobaifenbitongguoyixiagongshijisuandechu：

guangao ％ =（pingjunguangao ÷ pingjunyaoweizhijing）× 100

底部角度

dibujiaodushidibuzhukemianpingmianyuzhuomianpingmianzhijiandejiajiao。bagedibujiaoduceliangzhidepingjunshuxusishewuruzhizuijiejindelingdianerdu (0.2°)。

xiweidedibujiaoduchayiduizuanshizhengmianwaiguanyouzhexianzhudeyingxiang。liru，douqiaodedibujiaoduhuizaizuanshidezhuomianxiachanshenganqu。

底部深度百分比

dibushendubaifenbishizuanshidedibushendu，jijiandidaodibuzhukemianyuyaoweizhonghebufenzhijiandejuli，xiangduiyupingjunyaoweizhijingdebaifenbi。gaishuzhixusishewuruzhizuijiejindeqianfenzhiwu (0.5%)。

pingjundibushendubaifenbitongguoyixiagongshijisuandechu：

dibushendu ％ =（pingjundibushendu ÷ pingjunyaoweizhijing）× 100

腰下刻面长度百分比

yaoxiakemianzhangdubaifenbizhilianggeyaoxiakemianzhangduxiangduiyuyaoweizhijiandijulidebaifenbi。youbageyaoxiakemianzhangdubaifenbidechudepingjunzhixusishewuruzhizuijiejindebaifenzhiwu (5%)。

yaoxiakemianguozhanghuoguoduandouhuiduizuanshidezhengmianwaiguan（youqishiqiminganmoshi）chanshengfumianyingxiang。

腰围厚度百分比

yaoweihoudubaifenbizhizuanshiyaoweidepingjunhoudu，jibagefengzhengkemian/zhuyao“gongqi”weizhiceliangdushudepingjunshu，xiangduiyupingjunyaoweizhijingdebaifenbi。“gongqi”weizhizhifengzhengkemianyuzhukemianlianjiechude“houdifang”。gaishuzhixusishewuruzhizuijiejindeqianfenzhiwu (0.5%)。

腰围厚度描述

yaoweihouduzhimucede“shangu”weizhi，jizuibo（zuixiao）yuzuihou（zuida）quyuzhijiandejuli。“shangu”weizhizhiweiyufengzhengkemian/zhukemianjiaohuichujiyaoshangkemianyuyaoxiakemianlianjiechude“jiaoboweizhi”。

yaoweihoududemiaoshucibaokuojibo、henbo、bo、shizhong、shaohou、hou、henhoujijihou。

jiaobodeyaoweihuiyingxiangzuanshidejianguxing，erjiaohoudeyaoweizehuidailaibubiyaodezhongliang。zaizheiliangzhongqingkuangxia，zuanshideqiegongdengjijunhuiyousuojiangdi。

尖底大小描述

jiandidaxiaojijiandikemiandekuandu，dangcunzaijiandishi，tayuyuanxingmingliangshizuanshidepingjunyaoweizhijingxiangguan。jiandidemiaoshucibaokuo：wu、henxiao、xiao、shizhong、shaoda、da、hendahejida。

bucunzaijiandikemianshi，youshiyechenggaixianxiangwei“tuchu”jiandi，shiyong“wu”jinxingmiaoshu。

jiandijiaodahuiduizuanshidezhengmianwaiguanchanshengfumianyingxiang，youweishouyingxiangdeshizuanshideminganmoshi，zheihuidaozhizuanshiqiegongdengjijiangdi。