钻石切工怎么看好坏 钻石切工怎么看好不好

kanzuanshiqiegonghaobuhao，keyitongguosangefangmian，yishitongguozuanshijiandingzhengshulejiezuanshiqiegongjibiegaodi，yijizuanshiqiegebilidengdeng；ershijiezhu“qiegongjing”guanchazuanshiqiegeqingkuang；sanshizhijieyirouyanguancha，tongguozuanshihuocaiqingkuangpanduanzuanshiqiegongdehaohuai。

一、查看钻石证书

duoshuguoneiwaizuanshijiandingzhengshushangdouyouqiegongxinxi，fangbianxiaofeizhezhijietongguozhengshulejiezuanshideqiegongdengji。

qizhonggia、hrddengdazhengshanghaixiangximiaoshulezuanshiqiegongzhong“qiegongbili、duicheng、paoguang”sanxiangcanshugezidefenjiqingkuang。ruxiatu：

shangtugiazhengshuzhongneirongxinxibiaoshi，zuanshideqiegongbili、duicheng、paoguangjundadaoexcellent（lixiangqiegong）jibie。

ciwai，dayixiedezuanshijiandingzhengshushanghaibiaoyouzuanshidegegeqiegebili，birugiadengdazheng，ruxiatu：

qiegebilizaishidangdefanweizhinei，zuanshihuocaibiaoxiangengjia，keyicankaoxiamiandezuanshibilishujubiao：

二、肉眼观察钻石切工好坏

yongrouyanzhijiekanzuanshiqiegonghaobuhao，shibijiaorongyifenbianchulaide。

haodeqiegonghuocaishizhong，zuanshikanqilaimingliangyaoyan。buhaodeqiegongzehuilingzuanshishaoxianandan。

danshiruguoqiegongjibiebijiaojiejin，kenengbutairongyifenbianchulai，biruexcellentqiegonghevery goodqiegongdoushuyuhenbucuodeqiegongjibie，shijueganshouxiangchabuda。

三、借助仪器“切工镜”观察钻石的切工

zaimaizuanshideshihou，yixiezhubaodianhuitigongqiegongjing，zheishizhuanmenyonglaiguanchahejianchazuanshiqiegehoudexiaoguodejingzi，womenkeyitongguoqiegongjingguanchazuanshideduichengduheqiegebili。

danshiqiegongjingtongchangzhiyouzhuanyerenyuancainengkanchuqiegebiliyijiduichengxingwenti，putongxiaofeizheyouyidingnandu。

zongdelaishuo，putongrenmaizuanshi，yaoxiangzhidaozuanshiqiegonghaobuhao，zhijietongguojiandingzhengshulejiejike。zuanshiqiegongfenwei5gedengji，conggaodaodifenbieweishilixiangqiegong（excellent）、feichanghaoqiegong（very good）、haoqiegong（good）、yibanqiegong（fair）、chaqiegong（poor）。qizhonglixiangqiegongexcellent（jianchengex）jiushizuihaodeqiegong。