giashimeiguozhubaoxueyuandedejiancheng(gemological institute of america),tachuanglibingtichuleguojifenjitixi。1931nianzailuoshanjichengli,xueyuanzaizuanshifenjihebaoshijiandingfangmianweishijiesuoxinlai,you70duoniandelishi,quanqiudiyitaodezuanshifenjizhidujiushigiazhidingde,erqiequanqiudaduoshubaokuozhongguozuanshibiaozhundoushicanzhaogiazuanshifenjibiaozhunjinxingzhiding, zuoweiyijiadulidefeiyinglixingzuzhi,shimuqianquanqiuzuiquanweidezuanshijiandingjigou。
giabujinshimeiguodiyisuobaoshixuexiao,tongshiyeshiquanqiuzhubaoyejiezuijuguimo、zuishoutuichong,yezuibeirentongdezhubaozuanshijiandingjigou。giaguojizhengshudezuanshizaiguojifanweineidoubeirenke,jiageyizhiwenzhongyousheng,wulunshijiehunyong、touzihuozuochuanjiabao,doushishangjiaxuanze!giameiguobaoshixueyuanzi2006nianqi,zaiquanqiufanweineizhengshituichugiazuanshijiandingzhengshuwangshangchaxunxitong。gaixitongdetuichu,duiyujiandingzhengshudechaxunhefangweiqidaolejidadezuoyong。
钻石等级鉴定的创立
zaigiameiguobaoshiyanjiuyuanchuangli4cbiaozhunheguojizuanshifenjixitong™zhiqian,bingmeiyoutongyidezuanshimiaoshufangshihepinzhijiandingfangfa。zaisishizhiwushiniandai,giatongguosandalichengbeishijian,zuizhonggaibianlezuanshijiaoyidefangshi,weizuanshixingyechuanglitongyongdegoutongfangshi。giachuanglide4cbiaozhunheguojizuanshifenjixitong™weizuanshipinzhidemiaoshutigongletongyidefangshi,zhidinglezuanshidengjijiandingbiaozhunyuzuijiashijianfangfa。
congchujudiyifengiazuanshijiandingzhengshu,daojingquejiludengjijiandingjieguo,giayizhiweixiaofeizhetigongzhuanyekekaodezuanshipinzhixinxi。qijin,giadejidachuangjuzaoyiweishirensuojieshou,suochuanglidebiaozhungengbeipubianyingyongyushijiegegejiaoluo,shenzhikeshuoshimeikezuanshizhishang。
giazuanshijiandingzhengshuzhongbaokuolezuanshixingzhuang、jingdu、yanse、qiegong、kelazhongliang、bilihexiushidekexuejiandingxinxi,bingduisuoyoujingguochulidezuanshizuochuxiangguanshuoming。jinguanshichangshangyeyouqitajigoutigongxiangguandejiandingbaogao,giashizhongshiyejiegongrendebiaozhunchuanglizhehejingque、juchengxindezuanshidengjijiandingxinxilaiyuan。
giazuanshijiandingjingjianbanzhengshu, gumingsiyi,shigiazuanshijiandingzhengshu®dejingjianbanben,shiyongyuzhongliangzai0.15zhi1.99kelazhijiandezuanshi。jiyuewaideanquankaolv,giahaitigongzaizuanshiyaobuleishekezi dexuanzexingfuwu,yibiaomingzuanshijiandingzhengshudebianhao(jingjianbanzhengshuyidingbaohanleishekezi),shenzhikezaizuanshishangkexiegerenxinxi、riqi、wenzihefuhao,congershizuanshigengjutesebingrongyibianren。
GIA钻石等级证书
gia zuanshifenjibaogaohe gia zuanshichulibeirenweishishijiediyidebaoshizhengshu。gezhongxingzhuanghedaxiaodezuanshicongshijiegegejiaoluosongdaoxueyuanjinxingfenxifenji。
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
Copyright © 2006-2022 我爱钻石网 cqzyjs.com All Rights Reserved
深圳市罗湖区翠竹街道贝丽北路金展珠宝广场二十层20F-05/06
shenzhenshizuanyonghengkejiyouxiangongsi