什么是GIA钻石证书?

　　zuanshidejiandingzhengshujiurutongzuanshideshenfenzheng，shangmianzaiminglezuanshidegexiangxijie，shixiaofeizhexuanzuanshizuizhongyaodecankaopingzheng，yeshizuanshizhiliangdebaozheng。zaiguoneiguowaizhongduozuanshizhengshuzhong，giazuanshizhengshuyiqiquanweiquanqiurenkeerzhiming，yezuishouxiaofeixinlai。neime，shenmeshigiazuanshizhengshuni?

　　关于GIA

　　meiguobaoshixueyuan(gia)yu1931nianzailuoshanjichengli，zongbuzuoluoyuluoshanji。xueyuanzaizuanshifenjihebaoshijiandingfangmianweishijiesuoxinlai，yiqizaibaoyushizhishihezhuanjiadiweierwenming。shishishang，giazuanshifenjibaogaohegiazuanshichulibeirenweishishijiediyidebaoshizhengshu。gezhongdaxiaodezuanshidoucongshijiegegejiaoluosongdaoxueyuanlaijinxingfenxifenji。

　　meiguobaoshixueyuanshiyijiadulidefeiyinglixingzuzhi，zuoweishijieshangbaoshijiedequanwei，yitadegongzhengerwenming。zheigexueyuandetupoxingyanjiujiqibenshendejiaoyu、shiyanheshebeikaifaguochengjihujiushizhubaogongyechengzhangdebiannianshi。

　　giazhiliyubaohuzuanshixiaofeizhe，chuanglile4cbiaozhunheguojizuanshifenjixitong™，bingchengweiquanqiutongyongdezuanshijiandingbiaozhun。zuoweibiaozhundechuanglizhe，giaduibaoshiyanjiuchixutouru，zaiyejiedequanweixingwuchuqiyou。

　　congchujudiyifengiazuanshijiandingzhengshu，daojingquejiludengjijiandingjieguo，giayizhiweixiaofeizhetigongzhuanyekekaodezuanshipinzhixinxi。qijin，giadejidachuangjuzaoyiweishirensuojieshou，suochuanglidebiaozhungengbeipubianyingyongyushijiegegejiaoluo，shenzhikeshuoshimeikezuanshizhishang。

　　GIA钻石鉴定证书

　　zuanshi4cbiaozhunhezuanshifenjizhidushi1953niangiaderichard t. liddicoatsuochuanglide，zuichushiyongyexiaojihanshoufangshixunlianzhubaoshangruhepinggujiage，bingtigongzhubaopifajiagedecankaoshuju。danshizainengpinggujiagezhiqian，bixuxianxingquedingzhiliang。weizheshiyingshishixuyao，giayushichuanglilezijidezhiduyongyipingguzuanshijiqitabaoshidezhiliang。

　　giazuanshijiandingzhengshuzhongbaokuolezuanshixingzhuang、jingdu、yanse、qiegong、kelazhongliang、bilihexiushidekexuejiandingxinxi，bingduisuoyoujingguochulidezuanshizuochuxiangguanshuoming。jinguanshichangshangyeyouqitajigoutigongxiangguandejiandingbaogao，giashizhongshiyejiegongrendebiaozhunchuanglizhehejingque、juchengxindezuanshidengjijiandingxinxilaiyuan。

　　zuanshizhengshubianhao(laboratory report)：gaizuanshidejiandingzhengshubianhao

　　riqi(date)：gaizuanshibeijiandingriqi

　　zuanshixingzhuangheqiegongkuanshi(shape and cut )：zhuyaomiaoshuzuanshidexingzhuangheqiegongkuanshi

　　zuanshichicun(measurements)：yihaomiweidanweidezuanshichicundaxiao

　　kelazhongliang(weight )：miaoshuzuanshijinsidaobaifenzhiyidekelazhongliang

　　quanshenbi(total depth)：xiangduiyuzhijinglaishuozuanshi(yuanzuanhuoyixingzuan)gaodudebili

　　taikuanbi(table width)：xiangduiyuzhijinglaishuozuanshi(yuanzuanhuoyixingzuan)taimiandebili

　　guangaobi(crown height)：xiangduiyuzhijinglaishuozuanshi(yuanzuanhuoyixingzuan)guanbudebili

　　tingshenbi(pavilion depth)：xiangduiyuzhijinglaishuozuanshi(yuanzuanhuoyixingzuan)tingbudebili

　　duichengxing(symmetry)：zuanshideduichengxingdedengji

　　yaoleng(girdle thickness )： zuanshiyaolengdehoudu

　　dijian(culet)：dijianzhuomiandewaiguan

　　paoguang(polish)：zuanshidepaoguangdedengji

　　jingdu(clarity grade)： zai10beifangdajingxiazuanshidejingdufenji

　　jingdujiegoutu：yifuzaifangdajingxiaguanchadaodezhanshitu，tamiaoshulezuanshidexingzhuangyijineihanwudetezhengheweizhi

　　yanse(color grade)：zuanshideyansefenji

　　yingguang(fluorescence)：zaiziwaixianguangzhaoshexia，zuanshifachudekejianguang 

　　zhushi(comments)：duibaogaozhongmeiyoutidaodezuanshiqitatexingdemiaoshu

　　GIA证书对钻石参数意义更详情的描述请参考：中英文全面解读GIA钻石证书的12条款

　　买钻为何要选择GIA证书?

　　giazaiguojishangzuizaotichuzuanshi4cdegainian，zaitongyeneijuyoubiaogandiwei。baokuogiazaineideshijiegezuanshijiandingjigoulianhenuli，jingguoshushiniandemosuoheshijianhouzuizhongxingchenglexianzaitongxingdeguojizuanshijiandingbiaozhun。zuanshipinzhijiandingzhengshuqianbaizhong，erquanqiuzuanshiyezhegongrenzuijugongzheng、keguan、yanjindechulemeiguogia、bilishiigiwai， shangyoumeiguoags、ribencgl…deng。guoneiquanweidezhuyaoyounjqsic(guojiashoushizhiliangjiandujiancezhongxin)zhengshu、ngtc(guojiazhubaoyushizhiliangjiandujianyanzhongxin)zhengshuhenggc(guojiajinyinzhipinzhiliangjiandujianyanzhongxin)zhengshu。qitadaduoshujiandingdanweijiaoweisongsan，shenzhishijieshouyezheyaoqiuhuluantishengjishu，zheixiexingweiyanzhongsunhailexiaofeizheliyi，yingxianglexiaofeizhexinxin。suoyi，woaizuanshiwangjianyixiaofeizhezaimaizuanshizuihaoxuanzedaiyougiaheguojianshuangzhengdde，zheiyangcainengzuidaxiandubaohuzijidequanyi。