个人如何计算看好的钻石的价格

　　shuoqizuanshi，xianzaikongpameirenbuzhidaozuanshidejiazhi。zuoweiziranjiemingfuqishidezuanshizhiwang，zuanshijianzhenaiqingdexiangzheng。zibeifaxianzhiriqi，weiraozhezuanshidanshenglexuduobukesiyidegushi，zai17shiji，ouzhouwangshiguizubazuanshidangzuoaiqingdexiangzheng，shizhuiqiunvrenfangxinhejiehundebibeiwupin。suizheguanniandechuanboherenmenjingjidegaishan，meilidezuanshiyefeirulepingchangbaixingjia。duiyuputongzhunxinrenlaishuo，ruhepandingzijikanhaodezuanshizhiduoshaoqianni?

　　zuanshidejiazhishiyouzuanshi4cjuedingde，suoyizuanshiwanquankeyitongguo"4c"laijiandingpanduanqihaohuai，4cbiaozhunshiyoumeiguobaoshixueyuan(gia)yushangshiji60niandaichuangli，shimuqianzuanshijiezuiquanweidejiandingbiaozhun。suowei"4c"zhideshizuanshidezhongliang(carat)、jingdu(clarity)、yanse(colour)heqiegong(cut)。zhongliang，zuanshizhongliangdanweishikelahefen，1fen=1/100kela=2haoke;jingdu，yuechundezuanshiyuegui，zazhixiaciyueduoyuebuzhiqian;yanse，butongsezedezuanshijiagebutong;qiegong，zuanshishijingangshitongguojingdiaoxizhuoerchengde，qiegongshuipingdegaodizhijiejuedingzhechanshengzuanshidewaiguanxiaoguo。yibanlaishuo，4cyuegao，zuanshijiuyuezhiqian，jiazhijiuyuegao。

　　danshi，xuyaozhidezhuyideshi，4cbiaozhunzhinengjiandanculvepandingzuanshidehaohuai，yaoxiangjisuanchuzhubaodianzuanshidelingshoujiage，haidekaogongshi。zhidaolezheigegongshi，jiunengjibenshangsuanchuzuanshidejiageheshangjiadelirun，keyiweizhunxinrenzaigoumaizuanshideshihoutigongcankao。gaigongshiwei：zuanshidelingshoujiage=zuanshichengbenjiagex[1 17%(zengzhishui) 5%(gaoxiaofeishui)10-30%(jutaizujin) 3-5%(cuxiaofei)x3%(guanggaofei)30-40%(lirun)]，erguoneizuanshichengbenjiagedoushiyuguojizuanshibaojiayizhide。guojizuanshibaojiabiaoshiyouguojizhimingzuanshijituanrapaportjituantigong，meizhouwuzaiqiguanwangshangfabu，xiaofeizhekeyidengluqiguanwangjinxingchaxun。yinci，guoneidezuanshichengbenjiage=guojizuanshibaojia×100×kelashu×dangrimeiyuanhuilv。ruciyilai，putongzhunxinrenyenengdatijisuanchuluozuandejiagele。

　　duiyuyixiangqiantuozuanjiedejiage，chuleyaojisuanzuanshilingshoujiagewai，haiyaojisuanchengpinsuoyongdejinshuyijishengchanguanlichengbenyulirundengdeng。xiangqianhaodezuanjiedejiage=luozuanjiage+jietuosuoyongjinshuzhongliangxdanjia+gongfei。jietuodexuanzeduizhenggezuanjiedejiageyeyouyingxiang，jietuodecaizhiyouhenduo，xianzaizuiliuxingdeshi18kjinhebojin，duiyujietuodejiageyaokannixuanzeneizhongkuanshidejietuo，yibandeshangjiadoushiannagekuanshishenmecaizhiduoshaoqianlaisuande。

　　jisuanchulaidezuanshijiageyidingshijingzhundema?bingfeiruci，shouzuanshideyingguang、qiegexiushidu、qiegebilvheshangjiabutongdenggezhongrenweiyinsu，tongguogongshisuanchulaidejiagezhinengzuoweiyigecankao。jiusuanshiliangkejuyouxiangtongzhiliang、qiegexingzhuang、yansehejingdudezuanshi，danyouyuqibutongbilv、yingguangxianxianghexiushidu、zaibutongshangjia、butongchengshi，jiagejiucunzaihendadechayi。