ernest remor received a ten-year sentence. getaway driver trey adams got away with a seven-year sentence. victor lupis served 22 months and has since been released. the philly fence eric janovsky served seven and a half months in the pen. and diamonds were not jack cannon's best friend. he's doing a 30-year stretch for the armed robbery. for jewelers all over the country, the case marks the end of a long ordeal. but will they change the way they do business? >> yes. they are concerned at all times and overly alert. >> reporter: before we interviewed david margulis, we decided to run a little test. i'm going to pose as someone who is hoping to buy his fiancee a beautiful, big wedding ring. i will though she my florida i.d., and, of course, i'll have to take this thing off. as someone who is not yet married. i meet with a salesperson who is very nice and very businesslike. >> can i see your driver's license, if that's okay? >> reporter: okay. she asks a few questions. >> is your bride-to-be here in portland? >> reporter: no. whe