50分钻石怎么选及选购步骤

xuangou50fenzuanshishi，zuanshi4cjianyiqiegongshouxuan3exjibie、jingdubudiyusi1jibie，yansebudiyujse，ciwaihaikeyiewaiguanzhuzuanshizhijingchicun、jingdutezhengdengdeng。yixiafenxiang50fenzuanshixuangoujianyijixiangguanbuzhou。

一、钻石净度

50fenzuanshidegiazhengshuzhongshimeiyouzuanshijingdutude，dankeyikandaoxiacileixingdouyounaxie。

ruguoshisi1huozheyixiajingdudengjidezuanshi，xiacitezhengzuihaobuyaoxuandandanzhiyouyigecloud（yunzhuangwu）de，zheizhongzuanshidagailvshinaizuan。ruxiatuzheike

zuanshiyiyankanqumeishenmexiaci，danshizhengtikanzheikezuanshijiushibijiaomengde，butongtou。

duiyu50fenzuanshijingdu，yaobimiannaizuan，zuihaojinliangxuanzevs2huozheyishangdezuanshi，jibenshangshibuhuimaidaonainaizuanle，ruguomaisi1dengjide，zuihaozhuanyerenshibakongxiagoumai。

二、钻石切工

zuanshiqiegongshouxuan3exjibiede，ertongyangshi50fen3exqiegongdezuanshi，yekeyijinyibuyouxuanqiegebili，keyicankaoyixiashuju：

taikuanbi56%~59%；

yaohoubi3.5%~4.0%；

guanjiaozuibiaozhun34°-35°；

tingshenbi42.5°-43.5%zuibiaozhun；

三、钻石颜色

50fendezuanshizuihaobakongyixiayansejibie，shouxiancongd、e、f、g、hzheijigeyanselimianxuan，rouyanshangmiankanbuhuikanchuhuang，zuanshiyansedengjiyuegaoyuehao，jutikanzijideyusuan。

jiehedabufenxiaofeizhedeshenmeixuqiu，zuihaobuyaomaiksejiyixiayansejibiedezuanshi。

四、钻石直径

50fendebiaozhunzhijingshi5.20mmzuoyou，guoxiaohuozheguodadoubukequ。

标准钻石直径

zuanshizhijingguoxiaokanqilaiyehuixiandexiao，qieyaolenghou。zuanshizhijingguoda，suirancongshangwangxiakandahenduo，danshiyaolenghenxi，qieguanbuhenbian，zhengtishijuexiaoguobujia。

zaibaozhengzuanshiqiegongdeqiantixia，keyishouxianxuanzezhijinggengdadezuanshi。zheiyangdezuanshifeidanbuhuiyingxiangzhengtidehuocaixiaoguo，haikeyitishengzuanshishijuemeili。

zongdelaishuo，goumaizuanshishi，chulejibendezuanshidengjicanshuzhiwai，duiyixieqitaxijiedeguanzhuyefeichangzhongyao。ruyourenhexuanzuanfangmiandeyiwendajiadoukeyizhijiezixunwomendezaixiankefu。