20分以下钻石选择什么净度级别

  ;     zaigoumaizuanshishi，zhongliangdaxiaoshishouyaoguanzhudian，qiciweiqiegong、jingdujiyanse，yibanlaishuozuanshiyuedaduizuanshijingdudeyaoqiuyuegao，neime20fenyixiadezuanshiyinggaixuanzeshenmejingdujibie？jiexialaijiuhewoaizuanshiwanggongtonglejieyixia。

       gia20分以下钻石不分等级

       yibanwomenzaishichangshangkandaodezuanshidouyoudengjizhifen，bingqiezuanshidengjiyechengweidajiagoumaishidetiaoxuanzhongdian。dangenjuguojishangbijiaorenkedegiazuanshifenjibiaozhunlaikan，tongchang20fenyixiadezuanshishibuchudengjizhengshude，youguojianbiaozhundejiandingzhengshu。20fenyixiadezuanshijiandingzhengshushangbixuyou: riqi，bianhao，zongzhiliang(shizhong jinzhong) ，waiguantezheng，yanse。

       shichangshangmianxiaofenshudezuanshiduijingduqiegongdengdeyaoqiubugao，yinweijingduyansedouhenhaodezuanshishihennandede，suoyiruguozhendeyouzheiyangdezuanshi，yehuiqiemochengbijiaodadezuanshi，buhuishi20fenyixiade。qishi20fenyixiadezuanshiyemeiyoubiyaotaizaiyijingdujibie，zhuyaoyouyu20fenyixiadezuanshidoushiyibanzhuangshipin，huozuoweizhuzuandepeichen，shimeiyoushouzangjiazhide。

       zaigoumai20fenyixiazuanshideshihouzhijietiaoxuanjike，ruguoduijingdufangmianbijiaoyouyaoqiudehua，keyixuanzezaimaizuanshideshihouyongshibeixianweijingguanchazuanshineibu，xuanzejiaoweichunjingdegoumai。

       国家标准20分以下钻石净度

       guoneizuanshijiandingbiaozhunguiding，20fenyixiadezuanshizhifenwugejibielc、vvs、vs、si、p，womenjianyi20fenyixiadezuanshixuanzesijingdujike，zhuyaoyouyuzuanshiyuexiaoxiaciyuebumingxian，bingqieyibanzhiyaozuanshijingduzaisijijiyishang，jineihanwubingweizuaiguangxiantouru，duiwomenyongrouyanxinshangzuanshiwaiguanshibuyingxiangde，shibijiaohuasuandedengjixuanze。

       zuanshijingdushijuedingzuanshijiazhidezhongyaoyinsu，zaitiaoxuandeshihoujianyijiehezishenyusuanheyongtu，ruguobenshengoumaiyusuanbingbugao，yibanjingdujibieweisi-vsjike，erruguogoumaiyusuanjiaoduo，bingqieyoushouzanghuotouziyitu，neimekeyixuanzevvsjiyishangdengjidezuanshi。