钻石证书怎么看切工

butongleixingdezuanshizhengshuneirongyousuoqubie，yigiazhengshuweili，giadazhengdezuoyeyouguanyuzuanshiqiegong、duicheng、paoguangdengjidexiangximiaoshu，zhongyeyouduiyingzuanshideqiegebilitu，xiamianjieshaoxiangxidezuanshizhengshuqiegongxinxi。

zuanshiqiegongcongqiegong(cut grade) 、duichengxing(symmetry)hepaoguang（polish）sangefangmiankaoliang，zaizuanshizhengshushangdouyouxiangxijieshao，ruxiatu：

GIA钻石证书

zuanshiqiegongdesangefangmiandouyoudengjihuafen，conggaodaodiyicishi：

① excellent（jianxieweiex）—— wanmeideqiegong。

② very good（jianxieweivg）—— henhaodeqiegong。

③ good（jianxieweig）—— haoqiegong。

④ fair（jianxieweif）—— yibanqiegong。

⑤ poor（jianxieweip）——chaqiegong。

yixiabufenzhengshuneirongxiangximiaoshulezuanshiqiegongdengjixinxi。tongguocizhengshukeyikandaozheikezuanshideqiegong(cut grade) 、duichengxing(symmetry)hepaoguang（polish）doudadaoleexcellent（wanmeiqiegong）jibie。

qiegong(cut grade)................excellent

duichengxing(symmetry)................excellent

paoguang（polish）................excellent

yixiabufenzhengshuneirongweizuanshiqiegongbilitu，xiangxijieshaolezuanshigegezhongyaobuweideqiegeshuju。tongguocitukeyilejiezuanshiqiegeshifouhelideng，qiegebiliheshidezuanshi，kanqilaigengjushanguangmeili。

dajiakeyitongguoyixiazuanshizhengshujiedu，lejiexiangxixinxi：