Well, only an expert in gemology could say that.

而给纽约警局做顾问的上班时间是朝九晚五。

The Gemological Institute of America, sometimes known as the GIA (not to be confused with the CIA – the Central Intelligence Agency) is the leading authority in gemology in the United States.

美国宝石学院，有时也称为 GIA（不要与中央情报局 - 中央情报局混淆）是美国宝石学的主要权威机构。