钻石颜色变黄了是怎么回事，应该怎么办

yuanbenkanqilaichunjingmingliangdezuanshiyuelaiyuehuang，youlianggeyuanyin，qizhongzhuyaoyuanyinjiushizuanshibiaomiankenengnongzangle，zheizhongqingkuangzhixuyaojiangzuanshiqingxiganjing，jiukeyihuifuqiyuanbendeguangcai。

1、钻石表面脏了

①原因

zuanshibiaomianzangleshidaozhizuanshiyansebianhuangdezhuyaoyuanyin。

zuanshijuyouxiyouxing，zuojiawushi，ruguobuxiaoxinshizuanshijiechudaolechufangyouwudeng，henkenengshiyouwufuzhezaizuanshibiaomian，lingzuanshishiquguangze。biaomianyouwuduiji，shijianzhanglehuiyouxiefanhuang，rangzuanshikanqilaixiangshibianhuangle。

②怎么办

ruguoshibiaomianzangledaozhizuanshifahuang，keyitongguoqingxirangtahuifuyuanyoudeguangze。

keyizaijialijinxingjiandandeqingxi，quchuzuanshibiaomianwugou。ruguoyouwubijiaonanyiqingxi，keyidaogoumaizuanshidezhubaodianqingxi，yibandoushiyongzhuanyedechaoshengboqingxiji，zheiyangqingchuyouwugengjiachedi。

2、钻石本身颜色等级低

①原因

yekenengshizuanshibenshendeyansedengjijiaodi，goumaizuanshishizaizhubaodiandetedingguangxianxiakanqilaichunjingmingliang，dandanglikailezheigehuanjing，zaiziranguangxianxiaguancha，yansejibiedidezuanshijiukanqilaiyoumingxianfanhuang，birujseyixiadengjide。

②怎么办

goumaizuanshishikeyizaiziranguangxianxiaguancha，kanzuanshiyoumeiyoumingxianfanhuangdeqingkuang。lingwaizuanshidengjizuihaotiaoxuanjsejiyishangjibiede，bimianbuxiaoxinmaidaoyansefanhuangdezuanshi。

yishangshizuanshiyansebianhuangdexiangguanxinxijieshao，yaoxiangbimianzuanshibianhuang，zaipeidaishiyingdangtebiezhuyi，youqijinliangbuyaozaizuofanshipeidaizuanjiedengshipin。zaizuanshipeidaiguochengzhong，keyidingqijinxingqingxi，shikebaochiqishanliangmeili。