20分裸钻有多大 20分裸钻大小

       20fenluozuanyouduoda？zuoweishichangzhongchangjiandezuanshidaxiao，20fenluozuandagaizai2500yuanzuoyou，youyujiagefangmianbijiaobianyiershoudaobushaoputonggongxinjiecengdeqinglai。qizhong20fenzhideshiluozuanzhongliang，bingfeizuanshichicundeng，zheiyedaozhiyixieputongrendui20fenluozuandejutidaxiaoqingkuangyouxieyihuo，xiamianxiaobianjiuweidajiafenxiangyouguan20fenluozuandaxiaoxiangguanxinxi，bingjieshaoxiangxideluozuanchicunshujudeng。

       20分裸钻有多大

       luozuanjichengpinweixiangqiandezuanshi，zaiguojishang，luozuananzhaozhongliangdaxiaojinxingfenji，bingyongzhuanyeshuyu“kela”、he“fen”laibiaoshi。qizhongkeladeyingwenshicarat，jianxiechengct，shichangjiandezuanshizhongliangdanwei，xianzaibiaozhunde1kela=200haoke=0.2ke。zhongliangzai1kelayixiadeluozuanyekeyiyong“fen”(point)zuoweijiliangdanwei。1kela=100fen，liangzhongjiliangdanweikeyixianghuhuansuan，yinci50fen=0.5kela，0.7kela=70fen，er20fenluozuanyejiushi0.2ct（kela）luozuan。

       20fenluozuanyouduoda？congzuanshizhongliangfangmianlaikan，20fendeluozuanbingbushihenda，zaizuanshishichangzhongrenmenguanzhujiaoduodeyibanzai30fenjiyishangdaxiao。biaozhunqiegedeyuanxingzuanshiyouchicunyuzhongliangduizhaobiao，duibibiaogekedezhidazhideluozuanchicunshuju，ertongguocibiaogekeyifaxianbiaozhunyuanxing20fenluozuandezhijingyuewei3.8mm、gaoduyue2.3mm，bingbushihenxiao。

标准圆形钻石尺寸表

       zhidezhuyideshi，zheishangmianzhishibutongdaxiaozuanshidezhijinggaodudebiaozhunzhi，meigezuanshiyinqiegongdebutong，shijidezhijinggaodukenenghuiyubiaozhunzhiyousuochayi，yeshizhengchangxianxiang。

       chuleyuanxingzuanshizhiwai，shichangzhonghaiyouqitaxingzhuangdeyixiezuanshi，tongcheng“yixingzuan”，changjiandeyouzumulvxing、shuidixing、xinxing、fangxingdeng，butongxingzhuangde20fenzuanshichicunbuyiyang，20fengongzhufangluozuanchicunwei3.25mm*3.25mm，20fenshuidixingluozuanchicunwei4.7mm*2.8mm，20fenxinxingluozuanchicunwei3.5mm*3.5mm，20fentuoyuanxingluozuanchicunwei4.5mm*3mm。

       chicunshujuduiyuyixiexiaofeizhelaishuotaiguolongtong，ruguoyongshenghuozhongdeyixiechangjianpinzuoduibi，neime20fenluozuandagaiheyilidamichabuduo。

       20fendaxiaodeluozuanyijingdadaoguoneiduoshujiandingjigoudejianyanbiaozhun，yincijibianzaigoumai20fenluozuanshiyekeyicankaozuanshifenjizhengshulejietadepinzhigaodi，zaizhengshushangyibankeyikandao20fenluozuandechuzhengriqi，bianhao，zongzhongliang(shizhongjinzhong) ，waiguantezheng，yansedeng。

       20fenluozuanzaizhubaoshichangyingyongjiaoguang，kezhijiedangzuozhushixiangqianweizuanshierding、zuanshijiezhi、zuanshidiaozhuidengchangjianzuanshi，yekeyizuoweipeishixiangqianzaigaojizhubaoshang。20fenluozuanjiagejiaoweibianyi，danzaibutongpinpaiyehuiyoubuyiyangdedingjia，biruzaiwoaizuanshiwangyimei20fendezuanjiebaojia2500yuanzuoyou，danruguozaiyixieguojidapaikenengjiuyaoshangwanyuanzuoyou，jiagechajubukeweibuda，yincizaigoumaishijianyixiaofeizheduibibutongpinpaide20fenluozuanjiage，xuanzegengjuxingjiabidelaimai。