如何判定成品钻戒的钻石级别?

　　jinguanrujinluozuandingzhishirenmenxuangoujiehunzuanjiedezhuyaoqushi，danmaichengpinjiehunzuanjiederenqunyebuzaishaoshu。luobuqingcaigeyousuoai，luozuandingzhihuasuan，danchengpinzuanshiquegengjiafangbian。neime，maijiehunzuanjieshi，ruhebaozhengjiehunzuanjiedezuanshizhiliangni?ruhepandingchengpinzuanjiedezuanshijibieni?suiranshangjiajingchanghuichujuxiangqianhaodezuanshishoushidefenjizhengshu，danhaishidanxinpinzhimeiyoubaozhengshangdangshoupian，neimeguoneidexiangqianzuanshishiruhefenjideni?zheizhongxiangqianhaodezuanshishoushidefenjizhiduguifanma?daizhezheixieyiwenwomenyiqilaikankanguojiazhubaozhijianzhongxindefenjiguizeba!

　　xiangqianzuanshiyeheluozuanyiyang，anzuanshide4c(ji yanse jingdu qiegong zhiliang)jinxingfenji。zhibuguozaijiandingxiangqiandezuanshidejibiedeshihou，youjidianxuyaotebiezhuyidedifang：

　　shouxian，zuanshideyansejibie。xiangqianhaodezuanshiyeyiyangshizaibisebandeduizhaoxia，zaibaiguangdengxiajinxingfenjijianbie。danshi，zaijiandingdetongshihaiyaozhuyi4dian：

　　1)yansefenjiyingkaolvjinshutuoduizuanshiyansedeyingxiang，tongchangbaisedezuanshiyongbaisedejinshuxiangqian，erdaihuangsedezuanshizeyonghuangsedejinshuxiangqian。zheiyanghuishizuanshideyansexiandegengdanyixie。

　　2)biseshizuihaoyongyuxiangqianjinshuxiangtongyansedezuanshizhuahuoniezijiazhubiseshi。yuxiangqianzuanshibijiaoxiangtongdebuwei。

　　3)yinweidijianbeizhedang，burongyibijiao，wangwangshibijiaoyaobushenzhitaimian(baoxiangshi)cishiyaozhuyizuanshidaxiaoduiyansedeyingxiang。

　　4)yinweixiangqianzuanshiburongyibise，suoyiqisejidengjishiyigejiaokuandefanwei。

　　qici，zuanshidejingdufenji。xiangqianzuanshidejingdufenjifangfayuweixiangqianzuanshidejingdufenjifangfaleisi，yinweixiangqiandeyuangu，zai10beifangdajingxiaxiangqianzuanshijingdufenwei：lc，vvs，vs，si，pwugejibie。xiangqianzuanshidefenjiyaochongfenkaolvxiangqianbuweiduizuanshineiwaibutezhengdezhedangyingxiang，suoyizhidingdajibufenxiaoji，erduilcjijivvsjidequedingyaobeijiaxizhixiaoxin，yuanzeshangshibudinglcjide。

　　zaijiushizuanshideqiegongfenji。duimanzuqiegongceliangdexiangqianzuanshi，caiyong10beifangdajingmucefahuoyiqiceliangfa。celiangtaikuanbi。tingshenbidengbilvyaosu。yibanbilvxiejibiefanwei。rutaikuanbi53.0%--66.0%。tingshenbi40.0%--41.0%。

　　erxiangqianhaodezuanshizuihoudezhumingdouhuixieshangxiangqianjinshudehanliang，biru“pt900”huozhe“pt950”，“18k”dengziyang，zheiyangwomenduixiangqianzuanshijiuyoulehenquanmiandefenjimingxierzuizhongquedinghuibuhuixuanzegoumai。

　　youleyishangdezheixiezuanshizhishi，womenjiulejielexiangqianzuanshidefenjiguize，congerxuandaozuimanyidechengpinzuanshi。