如何肉眼鉴定钻石

 　　jiandingzuanshiyouxingxingsesedegongju，danshizuoweigukelaijiang，bukenengquanbuhuiyongzheixiezhuanyedejiandinggongju，lingwaizheixiejiandinggongjuyibanbijiaoanggui，shangjiayebukenengwanquanpeiqizheixiezhuanyedejiandinggongju。yinciruguonengyongrouyanlaijiandingzuanshidezhiliang，bushiweishiyizhonghaodefangfa。rouyanruhejiandingzuanshizhiliang，woaizuanshiwangtigongyixiajizhongfangfa。

　　一、注意钻石的光泽与色散

　　zuanshiyingchengxiandianxingdejingangguangze。anzuanshidesesandu(0.044)，qiemobiaozhundezuanshichengpinyingnengchengxianchumingxiande“huocai”，danshichangjianderenzaofangzuanpin(rulifangyanghuagao、taisuansi、yilvliushi…&hellipjuyougengqiangdesesandu，chengxianchugengjiamingxiande“huocai”，qiemobiaozhundezheileifangzuanpincongguanbuguanchajianfanchuqicaiseguang，erzuanshide“huocai”fanchudeyibanzhishilansehechengseliangzhongguang。

　　二、注意钻石某些特性的表象

　　1.youyuzuanshideyingduhengao，suoyizaizuanshidebiaomianbuyingyoucahen。erdaizuanpinyingduburuzuanshi，suoyibiaomianchangchanghuijiandaocahen。

　　2.youyuzuanshidegaozheshelv(2.417)jijingliangdeqiegong，dangjiangzuanshichengpintaimianxiangxiadaozhiyuyiwenzishangshi，congtingbujiangwufakanqinggaizi，cicheng“duzifa”;ruojiangzuanshidetaimianqingxiangguanchazhecezhi，congtaimianguanchabaoshitingbuyuguanchazheshixianxiangduideyice，kanbudaoyinweiguangxianlouchuerchengxiandeanchuang，cicheng“anchuangfa”;jiangzuanshitaimianxiangxiadaozhiyuyiboliqiminzhongjiashuizhixiangdangzuanshidijianweizhidegaodu，yijulianguangyuanchuizhizhaosheqidijian，dangjiangrongqinalixiachengwuyidingjulihou，zaixiachengwubeijingshangkekandaoyiguangmangsishedeyingxiang，erqiesisheguangmangyuanlizhongxindeguangyufanwei，busiqitabaoshideyingxiang，guangmangyuguangyujiaozhizaiyiqi，cicheng“kantufa”。

　　3.yong10beifangdajingzhuyiguanchabupaoguangdezuanshiyaobushifouyoushixiang、jielimian、shengzhangwendengyuanshihenji。juedaduoshuzuanshizai10beifangdajingxiadouyouweixiaodexiaci，zheiyudaizuanpindejiejingwuxiayouqubie。

　　三、注意钻石的一些辅助鉴定特征

　　pingjiexiamiandezheixietezhengsuibunengzhijiedechujiandingjieguo，danquenengjucidadaofangfanmude。tezhengzhuyaoyou：

　　1.zhuyizuanshide“liangjiabi”。zuanshidejibentezhengjiushilixiaojiagao，ruyouxiangweizexuzhuyi，ruruoyong3000yuangoumaileyili400mg(2ct)zhongdezuanshi，jiuyinggaiyinqihuaiyi。

　　2.zhuyizuanshijiagonggongyiliuxiadeyixietezheng。zheixietezhengyouzuanshidemouxietezhengyuteshudezuanshiqiegongdaozhi，zhuyaobaokuo：bianlengzhiqieli，wumaobian(oujiancanliujingmianquexianhuobengkou);kemianjiaojiehao，jiaodinghenjian，wuguolonghuoweipengjianxianxiang;guan、tingbudeduixianhenzhunque;congtaimiankanzuanshitingbukemiandefanguangzongshiyoumingyouan。daizuanpinwangwangbujubeizuanshidezheixietezheng，tamendebianlengdadouyouzhebutongchengdudemosun，kemiandadoujiaojiebugongzheng，guan、tingbudeduixianyebugouzhunquedeng。

　　四、液滴试验

　　benshiyanyijudeshizuanshideqinyouxing (yongshoucashizuanshibiaomianhou，huifaxianzuanshikanshangquyouyouninideganjue)。jutizuofa：shiyongyouxingbikeyizaizuanshidebiaomianhuaxianhuoxiezi，erzaiqitabaoshihuodaizuanpinbiaomianzuotongyangshiyanshi，youjijiangchengduanxudefudizhuang。yucixiangleisi，minjianhaiyouyizhongqianbihuaxianfa，zuofashiyongshuirunshizuanshiyangpin，ranhouyiqianbizaiqibiaomianshanghuaxian，ruguobuliuxiaqianbidehenji，shuomingbeiceyangpinweizuanshi，fouzeweiqitabaoshipinzhong。

　　dangran，yaozhunquedejiandingzuanshihaixuyaojiezhuyixiliejingmidejiandingyiqi，woaizuanshiwangzaicizhishiweiguangdaxiaofeizhejieshaojizhongrouyankuaisujiandingzuanshidebanfa，xiwangnengzaiguangdaxiaofeizhegoumaizuanshishipinshiqidaoyidingdebangzhuzuoyong。lingwai，dangnizaigoumaizuanshishipinshi，yidingyaoxiangxiaoshoufangsuoyaozuanshijiandingzhengshu(yaokanqingshishenmebumenchujudejiandingzhengshu)，zhiyouzheiyangcainengbaozhengsuomaizuanshishipindezhiliang，bingzaiyihoukenengchuxiandezhiliangjiufenzhongyoujukeping。