February 3, 2012 11:04 am Diamond Shopping Tips for Quality Bling Learn about the Four C’s of diamonds to make sure you get your money’s worth. George Chamberlin interviews an instructor from the Gemological Institute in Carlsbad to find out what you need to know. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks
