几克拉的钻戒最好，日常佩戴多大的钻戒

putongrengoumairichangpeidaidezuanjie，xuanze0.3-1keladebijiaoduo，zheigezuanjiedaxiaoyebijiaofuheyibanrendexiaofeinengli。qizhong0.5kelazuanjiezuishouhuanying，daxiaoshizhong，jiageyemeiyouhengui，richangpeidaihuoshidangzuoqiuhun、jiehundexinwudouhenheshi。

zuanjie1kela=100fen，neime50fendejiushi0.5kela，30fenji0.3kela，yicileitui。

yuedadezuanjiejiazhiyuegao，erzuanjiedaxiaoshishangbufengdingde， 1kela、10kela、100kela...suoyijikeladezuanjiezuihaomeiyoujueduishuohua，zhinengshuokelayuezhong、pinzhiyuegaodezuanjieyuehao。

zaishijigoumaideshihou，duoshuxiaofeizhedouhuixuanze0.3-0.5keladezuanjie，zheigequjiandezuanjiejiagedaduoshuxiaofeizhedoukeyichengshou，erqiezuanjiepeidaixiaoguoyebuxiandexiaoqi，henshijingzhi，shigengduogongxinjiecengdexuanze。

jingjinenglijiaohaoderenyibanhuizhijiexuanze1kelazuanjie，bujingoudagoushan，shouzangheshengzhixiaoguoyedouhenhao。

ruguojingjishizhong，youbijiaokanzhongshijuedaxiao，0.5kelazuanjieshihenhaodexuanze。zheigedaxiaodezuanjie，henduoputongxiaofeizhedounengmaideqi，zuanjiejishanyaoyoubuhuitaiguozhangyang，shiherichangpeidai。ruguozhizaiyizuanshizhongliang，rumenji0.5zuanjiedagaizhiyao1wanduoyuan；pinzhijiaohaode50fenzuanjieyue1.5-3wanzuoyou。

1kela=100fen=0.2ke，50fenyejiushi0.1ke，tadezuanjiezhijingdagaizai5.2mm，keyicankaoyixiahuangdoudedaxiao，50fenzuanjiehetachabuduo。50fenzuanjiedeshijipeidaixiaoguohuishoudaoxiangqianfangshideyingxiang，xiangrang50fendezuanjiekanqilaigengdayixie，keyizhijiexuanzequnxiangkuanshi。xihuandidiaojiandandefengge，xuanzezhuaxiangdanzuandekuanshijike。