钻石鉴定证书GIA的由来

 　　zuanshijiandingzhengshugiadeyoulai?meiguobaoshixueyuan(gemological institute of americajianchenggia)，1913nianchengliyumeiguoluoshanji，qichushiyongyexiaojihanshoufangshixunlianzhubaoshangruhepinggujiage，bingtigongzhubaopifajiagedecankaoshuju。pingguzhubao、zuanshidejiage，shouxianyaoquedingqipinzhiruhe。suoyiweilemanzuheshiyingshijixuyao，giajianlilezijidepingjizhiduyongyipingguzuanshijiqitabaoshidepinzhi，bingjiayituiguang。

　　zuanshijiandingzhengshugiadeyoulai?meiguobaoshixueyuan(gemological institute of americajianchenggia)，1913nianchengliyumeiguoluoshanji，qichushiyongyexiaojihanshoufangshixunlianzhubaoshangruhepinggujiage，bingtigongzhubaopifajiagedecankaoshuju。pingguzhubao、zuanshidejiage，shouxianyaoquedingqipinzhiruhe。suoyiweilemanzuheshiyingshijixuyao，giajianlilezijidepingjizhiduyongyipingguzuanshijiqitabaoshidepinzhi，bingjiayituiguang。

　　giazuoweiyigefeiyinglishiyedejigou，youmeiguogezhimingdezhubaoshangjishehuimingliugongtongzhichiersheli。suoyi giashimeiguozhubaoyezhesuogongyougongxiangdejiandingyanjiujigou，qifushujigourugtlzeweiyezhetigonglejiandingfuwu，pubianweigejiesuoxinren，bingbuyinqishoumeiguozhubaoyezhesuozhichierqishi。

　　zuanshijiandingzhengshudechanshenggaibianleyuanlaidezuanshijiaoyifangshi，yuanlaibixuzhucijiandingzuanshipinzhi，xianzaijiukeyiwanquancankaojiandingzhengshushangdecanshu。anzhaogtldeshengming，qisuoqianfadezhengshu，bunengyonglaidangzuojiaoyideyiju，ruzuoweimaimaideyijushi，gtlbufurenhezeren。danshiyouyuqizhengshushoudaodazhonghezhubaoshangpubiandehuanyingyuxinren，xuduozhubaoshangmenleyushiyongtazuoweizuanshizhiliangdeyiju。suizhejiandingzhengshudetuiguangheliutong，bujinjinzaizuanshishangtongyezhijian，haicunzaiyuzhongduanxiaofeizheshouzhong，bujinzaimeiguoliuxing，erqiebianjishijie，yincizhengshudexuyaoriyizengduo，gongbuyingqiu。