Santa Monica police Tuesday were looking for three masked suspects who robbed a man of an estimated $1.5 million in jewelry.

At least one of the assailants was armed when they confronted the man shortly after 2 p.m. near the 2000 block of Wilshire Boulevard, the Santa Monica Police Department said.

The man, who sells jewelry to stores, was robbed of display items, police said. He was not injured.

The thieves fled in a silver or gray Nissan. Anyone with information is asked to call Robbery-Homicide Division detectives at (310) 458-8451.