钻石切工一定要3ex的吗？

changjiandezuanshixuangouzhinanzhong，yibanjianyidajiashouxuan3exqiegongjibie，danqiegongbuyidingfeiyaosuoding3exdengji，vgqiegongjibietongyangzhidexuangou。

zuanshiqiemodezuizhongmudeshishixianliyizuidahua。

biru，yikemaopiruguoqie3ex，zuizhongchengpinwei99fen，erqiechengvgde，zhongliangkeyidadao1.05kela，ziranhouzhejiushikuangyegongsideqiemoshouxuan；huozheyikemaopiqiecheng3exjibie，mouxiebuweidexiacikenengjiubibudiao，erweiletishengjingdu，youshiyehuixuanzeguyijiangdiqiegongbiaozhun。

lilunshang，3exqiegongdezuanshihuocaigenghaoyixie，yincibushaoshangjiashoutuidejiushi3exzuanshi。

钻石切工一定要3ex的吗？

3exqiegonghegengdideqiegongjibiexiangbi，zhuyaoqubiezaihuocaihezuanshichicunfangmian。

①钻石火彩

lilunshang，3exqiegezuanshidehuosequeshigenghao，danzaigiapingjixitongxia，3vgyishangdeqiegedehuocaiyishishifenchuse。

zuanshiqiegebilicepingzhuyaocongzuanshidetaikuanbi，tingshenbi，yaohou，quanshenbi，guanjiaojiaodu，tingjiaojiaodudengfangmianlaikan，biliyueheli，zuanshihuocaiyuehao。

genjugiapingjibiaozhun，exzuanshiqiegongdetaikuanbishi53%-58%，ruguotaikuanbidadao59%，neizheikezuanshideqiegebilijiuhuidiaodaovgqiegong。zheizhongxiweidechajubuhuidaozhizhengkezuanshibushan，duoshurendouhennantongguorouyanfenbianchutamenzhijiandehuocaichaju。

②钻石尺寸

butongqiegongdengjidezuanshi，zhijingdaxiaofangmianyeyouxiechaju，vgjibiedeqiegezhijingdaduoxiaoyu3exjibie。biru，zhengchang3exzuanshizhijingzai6.4--6.5mmzuoyou，vgqiegongdezeshi6.2--6.3mmzuoyou。

zhijingjiaodayiweizhexiangqiandechengpinzuanjiegengweishehua，shijipeidaixiaoguokendingyehuitigao。

buguodajiayebuyongdanxin，vgqiegongdezuanshiyeyouyibufenzhijingjiaodade，xuyaozixixunzhao。

zongdeeryan，zaitiaoxuanzuanshishi，vgyixiaqiegongbujianyigoumai。changjiande30-70fenzuanshikeyizhuoqingtiaoxuanvgqiegongjibie，erduiyu1kelajiyishangdaxiaodezuanshi，zuihaoxuanze3exqiegong。jutitiaoxuanyuanze，dajiakeyilianxizhuanyekefuguwenjinxingxiangxilejie。