AGS证书是什么?AGS证书权威吗?

 　　zuanshizhengshushizuanshi4cdengjidezuizhiguanzhanxian，zaiguoneizuanshishichang，zuiweichangjiandezhengshuguoneideyoungtc、ngstc，guowaideyougia、igihehrd，danyeyoudezuanshidezhengshushiagszuanshifenjizhengshu，liruzuanshixiaoniaodebeijiguangxiliezuanshi，neime，shenmeshiagszhengshu?agszhengshuquanweima?

　　AGS是什么证书?

　　agschengliyu1934nian，tadechuangbanrenshirobert m.shipley，tatongyangyeshimeiguobaoshixueyuangiadechuangshiren，tonggiayiyangdoushizuichumingdezuanshipingjizuzhi。

　　zaizaoqide1990nianchu，agsjizhiliyufazhanzuanshidefenjizhidu，tayuqitajiandingzhiduzuidadebutongdian，jiushitachulezhongliang(carat weight)yiwai，agsbazuanshideqiegong(cut)yanse(color) jingdu(clarity)fenji，congzuijiade0daozuichade10，fenchengshigedengji，fencheng11gejibie。

　　chucizhiwai，agszuanshifenjizhidugengjiangzuanshide4czhongzuizhongyaodeqiegong(cut) gongshihua，jinerjiangzuanshideqiegongdairuxindelicheng。

　　1996niankaishi,zhongshiqiegong(cut)deagszhengshuchengweiguojizuanshiyejieqiegongdebiaozhun,qiegongdengjiwei0dezuanshigengshizuanshiqiegongjizhidebiaozheng，ruguoyousange0，jibiaoshigaizuanshibili(proportions)，paoguang(polish) jiduicheng(symmetry)junshiwanmeizuanshihuocaibiaoxian(light performance)，zuanshiqiegebili(proportion factors)，zuanshixiushidu(finish)junweilixiang，shizuanshiqiegongdewanmeizhijixian!

　　AGS证书条款详情对照

　　zuanshipifashanghejiagongshangchangshiyongagszhengshutigongdexiangxizuanshixinxizaishijieshanggoumaichengpiliangdezuanshi 。

　　zuanshizhengshubianhao(laboratory report)：gaizuanshidejiandingzhengshubianhao

　　riqi(date)：gaizuanshibeijiandingriqi

　　zuanshixingzhuangheqiegongkuanshi(shape and style)：zhuyaomiaoshuzuanshidexingzhuangheqiegongkuanshi

　　zuanshichicun(measurements)：yihaomiweidanweidezuanshichicundaxiao

　　kelazhongliang(weight)：miaoshuzuanshijinsidaobaifenzhiyidekelazhongliang

　　quanshenbi(total depth)：xiangduiyuzhijinglaishuozuanshi(yuanzuanhuohuashizuan)gaodudebili

　　taikuanbi(table width)：xiangduiyuzhijinglaishuozuanshi(yuanzuanhuohuashizuan)taimiandebili

　　yaoleng(girdle)：zuanshiyao leng dehoudu

　　dijian(culet)：dijianzhuomiandewaiguan

　　paoguang(polish)：zuanshidepaoguangdedengji

　　duichengxing(symmetry)：zuanshideduichengxingdedengji

　　jingdu(clarity grade)：zai10beifangdajingxiazuanshidejingdufenji

　　yanse(color grade)：zuanshideyansefenji

　　zhushi(comments)：duibaogaozhongmeiyoutidaodezuanshiqitatexingdemiaoshu

　　yingguang(fluorescence)：zaiziwaixianguangzhaoshexia，zuanshifachudekejianguang

　　jingdujiegoutu：yifuzaifangdajingxiaguanchadaodezhanshitu，tamiaoshulezuanshidexingzhuangyijineihanwudetezhengheweizhi

　　AGS证书权威吗?

　　agszhengshushiguojiquanweidezuanshidengjizhengshu，youqishiduizuanshiqiegongfenjidezhongshi，jiangzuanshiqiegongjinxinggongshihua，jinerjiangzuanshidechegongdairuxindelicheng。agschegongpingjiyi0-10zuoweipingjibiaozhun，tonggiayiyangdoushizuichumingdezuanshipingjizuzhi，qiquanweixingbuyaneryu，zuanshiqiegongshiyingxiangzuanshijiagedezhongyaoyinsu，zhongshizuanshiqiegongdepengyou，bufangxuanzeagsdezhengshu。