Melbourne police have released a set of photos announcing that Australia is looking for the Asian-American thief.
On March 16, around 12:30, the man stole diamonds from a jewelry store in Collins Street, downtown Melbourne.
Police investigators said he first told the store he wanted to see the diamonds and then replaced them with fake diamonds and real diamonds.
The man was described as in his 30s, of medium build and bald.
CCTV shows him wearing glasses, black pullover, blue jeans, black running shoes and black backpack.
Surveillance cameras captured the man`s apparent presence and looked at the camera: smile.
The attitude is very strange.
At present, the police have not caught the man.
Anyone who knows about the theft can call Crime Stoppers at 1800 333,000 for help.