钻石的净度与性价比的关系

　　zuanjiedejiagejibendoujuedingzaizuanshidedengjizuanshide4cshang，qianmianxiaobianyijinghedajialiaoleyanse、zhongliang、zhengshu、xingzhuangdengduizuanshijiagedeyingxiang。zheilizaishuoxiajingdu，taolunyixiazuanshidejingduyuxingjiabideguanxi。

　　zhengzhoujiehunzuanjieshichangzuoweizhongyuanhunjieshichangdehexin，suizhexiaofeizheduizuanshizhishidezhujianlejie，jinglilehezhongguoyanhaidiqudexiangtongbianhuaguocheng---congzhiyaoshizuanshijiukeyi，daopianmiandizhuiqiugaojingdu，zaidaozonghekaolvxingjiabi。

　　zuanshidejingdushizhiqineibuxiacidechengdu。

　　zai4cfenjizhongjiangqifenwei10geleibie，jiandanhuafenkeyifenwei3dalei：

　　10beifangdajingxiawuxiacidezuanshi：lc(jingxiawuxia)

　　10beifangdajingxiayouxiacidezuanshi：vvs1—vvs2(very very slightly included：youjingguoxunliandezhuanyerenshizai10beifangdajingxiajinanfaxiandejiweixiaoxiaci);vs1-vs2(very slightly included：youzhuanyerenshizai10beifangdajingxiajiaonanfaxiandeweixiaoxiaci);si1-si2(slightly included：youzhuanyerenshizai10beifangdajingxiajiaorongyifaxian、danrouyanbukejiandexiaoxiaci);

　　rouyankejianxiacidezuanshi：p1、p2、p3(yourouyankejiandexiaci)

　　zuoweitianranbaoshi，zuanshidejingduzaihendachengdushangjuedinglezuanshidejiazhi，jishiqitazhibiaowanquanxiangtongdezuanshi，jingdubutongyehuidailaibuxiaobilidechabie。

　　yiwoaizuanshiwangjiaochangjiande30fen、giazhengshu、hse、exqiegongdezuanshiweilibijiao：

*“价差比例”是指此等级与上一等级的价格差距的百分比。

　　congshangbiaozhonghenrongyikanchu，chulevvsyuvsjibiewai，qiyumeijidejiagechajujibenxiangdang，wei5%-6%。

　　qitazhonglianghuoyansedezuanshisuiranbujiandeyushangbiaodebiliwanquanyizhi，danjibenkeyiyiciweicankao。zhiyupjidezuanshi，yinweijiagechajutaida，erqieshichangshangfeichangshaojian，suoyijiubulierubijiaole。yishangjinshiyijiazhiyan，huanyingdajiataolun。