国内外权威的钻石鉴定机构是哪几个？ 鉴定钻石的费用是多少？

       GIA钻石鉴定中心

       giashiquanshijiezuiquanweidezuanshijiandingjigou，bingqieshixianzaizuanshi4cbiaozhundezhidingzhe，zuoweiyijiafeiyinglixingdezuzhi，giajiandingzhengshuyigongzhengerwenming，shoudaoxingneiwairenshiderenke，keyichengdeshangshizuanshideshenfenzhengming。yibanxianzaiguonei30fenyishangdezuanshidoupeiyougiazuanshizhengshu，danyouyugiazuanshizhengshudejiandingfeiyongbijiaoanggui，yincidaiyougiazhengshudezuanshijiageyejiaonagegui。

      giazuanshizhengshudejiandingfeiyongshiduoshao？xiaobianlejiedaogiazhengshudejiandingfeishigenjuzuanshidedaxiao、biaozhundengzhiding；giadezuanshijiandingzhengshuyouliangzhong，yizhongshixiaozhengshu，duoshuyongyu1kelayixiadezuanshi，yiban70meiyuanzuoyifenjianding；dazhengshuyibanweiyikelajiyishangdezuanshisuochuju，zuanshidejiguangyinjigenjukehuyaoqiu，yexuyouyexuwu，youqingchudexiaciweizhibiaoji，yibanshi100meiyuanchujuyifenjianding。buguojuxiaobianlejiedaoyuedadezuanshisuoxujiandingfeiyongyuegao。

       HRD钻石鉴定中心

  ;     hrdshibilishidezuanshijiandingzhengshu，yeshibilishiguanfangchengrendezhengshu，shiquanshijiezuiquanweidezuanshijiandingzhengshuzhiyi。hrdzuanshiyansezhengshuguanzhuyujuedingyousezuanshijiazhidexiangxidetezheng，biruyansedemiaoshu、yansedeshejihefaguang。taduifenbiejiancehouzuanshishifoushiziranyousezuanshihaishifangzuandeyouzhongyaodiwei。

       hrdzuanshizhengshujiandingfeiyongyaobigiazuanshibianyiyixie，kenengjibaiyuanjiukeyi。yincizaihuamulandeshihoukeyi，qizhongjiuyouyuanyongyi

       NGTC钻石鉴定中心

       ngtcyejiushiguojiazhubaoyushizhiliangzhongxin，bulunshiluozuanhaishizuanshishoushidoushimeiyouleishebianmade，bingqieguojiandezuanshifenjiduoshushiyixiangqianhaodezuanjieweiduixiang。ruguonigoumaidebushiluozuan，ershizuanshishoushi，neimengtcjianghuishizuifangbiandezuanshizhengshujiandingzhongxin。

       ngtczuanshijiandingfeiyongduoshaoqian？zaizheixiebijiaoquanweidezuanshijiandingzhengshuzhizhong，feiyongzuishaodezhengshujiushingtczuanshijiandingzhengshu，juxiaobianlejie，xianzaichujuyigengtczuanshijiandingzhengshudejiageyibanzaijishiyuanzuoyou。

       yishangsangesuanshimuqianbijiaoquanweidezuanshijiandingzhengshu，xiaofeizhezaigoumaizuanshihuozheluozuandeshihou，ruguoduizuanshizhenjia，huozhezuanshidengjiyouhuaiyidehua，wanquankeyidaozheixiequanweidezuanshijiandingjigouzaicijianding、querenyixia。