20分钻石是多少克拉 20分钻石有证书吗

       biaoshizuanshizhongliangdedanweiyou“kela”he“fen”liangzhong，qizhongjiaodadezuanshitongchangyikelaweidanwei，erjiaoxiaodezuanshizeyi“fen”laibiaoshi，bingqielianggedanweizhijianyeshikeyixianghuzhihuande，neime20fenzuanshishiduoshaokelani？20fenzuanshiyouzhengshuma？xiamianyiqilailejie。

       20分钻石是多少克拉

    ;   duiyuzuanshidezhongliangyibanqingkuangxiashi1kela（ct）= 200haoke（mg）= 0.2ke（g），erzhongliangzai1kelayixiadezuanshitongchangyeyong“fen”（point）zuoweijiliangdanwei，1kela=100fen，neime20fenzuanshijiushi0.2kela。congchicundaxiaofangmian，biaozhunyuanxingqiege20fenzuanshizhijingzai3.8mmzuoyou，shibijiaoxiaode，yinciwomenkeyichengqiwei“suizuan”。

       yinwei0.2ct (20fen)yineidezuanshiyanse，jingdudengdoubijiaonanfenbian，yibanlaishuo，guojianzhengshudui20fenyixiadezuanshideyansejingdushibuzuojiandingde。0.20ctyixiadezuanshibubiyaochujuzuanshide4cfenjizhengshu，danbufenxiaofeizhehaishibijiaoguanzhuzuanshizhengshufangmiandewenti，neime20fenzuanshiyouzhengshuma？

       20分钻石有证书吗

       diyu20fen、30fendezuanshizaijiandingshi，hennanduiqiyanse、jingdujinxingfenji，wufawanquanfenjijiubunengqueqiezhidaojiazhi；lingwaixiaokeladezuanshijiazhibugao，youshihouzuanshijiandingfeiyongshenzhihuichaoguozuanshibenshendejiazhi，suoyianzhaoguojiguanli，daduoshuzhubaoshangzhihuiwei30fenyishangdezuanshichujuzuanshi4cfenjizhengshu；dankeyizaiguoneichujuguojianbiaozhundejiandingzhengshu，shangmianbaohan：riqi，bianhao，zongzhiliang(shizhong jinzhong)，waiguantezheng，yanse。

       youyuchicundaxiaodeyuangu，20fenzuanshiyibanzuoweiduijiedezhushilaiyong，huozhezuoweidakelazuanjieshangdefushi，qunxiangkuanzuanjiedeng。bingqie20fenzuanshidejiageyebijiaobianyi，yiban2、3qianyuanjiukeyimaidao，shihedangzuopingchangdeliwu，yekeyiyonglaiqiuhun。

       20分钻石怎么买

       youyubenshenjiazhibugao，20fenzuanshizaigoumaideshihoububitaiguozhuiqiudengji，zhiyaokanqilaibijiaomingliangjiukeyi。lingwaixiang20fenzheiyangdexiaozuanshijibenzairenheyigezhubaodiandoukeyimaidao，bubitaiguoguanzhupinpai。zhiyaojiagehelijike。20fenzuanshiruguozuoweizuanjielaimai，neimezuanshibingbushineimemingxiande，xiangyaorangzuanshikanqilaigengdakeyizaijietuokuanshishangxiaxiegongfu，biruxuanzehuaxingzuanjie、liuzhuazuanjie、qunxiangzuanjiedeng，zheixiekuanshidoukeyirang20fenzuanshikanqilaigengdayixie。

       yishangshiguanyu“20fenzuanshishiduoshaokela，20fenzuanshiyouzhengshuma”dengxiangguanwentidejieshao，zuanshijuyouyonghengdeyiyi，wulundaxiaojunshimeihaoqinggandejianzheng，woaizuanshiwangluozuanzhigoupingtai，weinintigonggedaxiaozuanjie、zuanzhui、zuanshierdingdengshoushi，rangzuanshijianzhengyishengmeihao。