钻石一定要有gia证书吗？

       zuanshizhengshu，yechengzuozuanshifenjizhengshu（diamond grading report）、zuanshizhiliangbaozhengshu（diamond quality report），lejieyikezuanshizuihaotujingjiushihuodeyifenquanweidezuanshijiandingzhengshu。muqianguojishanggongrenzuiquanweidebaoshirenzhengzhengshushimeiguobaoshixueyuan（gia）renzhengzhengshu。

       一般大小钻石没必要有gia证书

       giazhengshuzaizuanshijingdujiandingfangmiangengyange，shedingjingduzuigaodengjiweiwanmeiwuxiaji，bujinyaoqiuzuanshineibuwuxia，erqiezuanshibiaomianyebunengyouhuahenshenzhipeidaihenji。danbushisuoyoudezuanshidoufuyougiazuanshidengjizhengshu，zaiguoneiyibandakelazuanshihuiyougiazuanshidengjizhengshu。henduoshangjiayikelayixiadezuanshidoumeiyougiazhengshu，erwoaizuanshiwangluozuangouwupingtai30fenyishangdezuanshidouyougiazuanshizhengshu，rangxiaofeizhemaidegengfangxin。

      giazhengshujiandingjiagebijiaoanggui，yibanjiandingyike30fendezuanshidouyaojibaiyuan，erguojianzhengshuzhixuyaojishiyuan，henduoshangjiaweilejieshengchengbenhuishengqugiazhengshujiandingfeiyong。suirandajiagongrenzuiquanweidezhengshushigiazhengshu，danchulegiawai，guojishangbijiaoquanweidehaiyoubilishidehrd,meiguobaoshixiehuideigideng。zaiwomenguonei，zhuyaojiushingtcdengguojianzhengshu。zaigoumaizuanshideshihou，ruomeiyougiazhengshuhuozheduigiazhengshuxinyouyilv，keyidaozhidingdezhuanyeguojianbumenjinxingfujian。

       收藏、投资的钻石一定要有gia证书

       peidaidezuanshiyibanyaoqiudoubugao，ruguoshiyonglaitouzidezuanshijiuyidingyaoyougiazhengshu。giazhengshushidaxingpaimaihui、diandangxingzuirenkede，ruguozaigoumaideshihouyongdeshiqitazhengshu，chushoudeshihouyexuyaoquzuogiajianding，zheiyangkenengzijiyaohuafeiyidingdejiandingfeiyong，bingqiejiandingjieguoruguoyouchayiyehuizaochengzijideliyisunshi。

       没有gia证书的钻石能不能买

       meiyougiazhengshudezuanshiyibanjiushiguojiandezhengshule，guojianzuidawentijiushizuanshishangmeiyouxiangyingdebianhaokeyiduizhao，suoyihenduorenhuidanxinzijidezuanhuibuhuibushizhenshide，huibuhuibeirendiaobao。

       jiejuefangfa：

       1、选择比较靠谱的大商家购买
   
      ; 2、goumaihoujishiquzuozuanshizhenweidejiance

       tebietishi：butongdezhengshu，birugiaheguojian，duitongyikezuanchulaidejieguokenenghuiyoubutong，biruyanse、jingdu，suoyixiaofeizheyaozijikaolvqingchu。