Monday hours are a little lighter than the rest. About 80% of the diamond district stores are open on Monday. So is you want to maximize the diamond district NYC hours of shopping time, go Tuesday through Thursday.
Make sure you complete a little price education before you go. We recommend using the James Allen Discount Diamond Store pricing tool. It’s free to use, let’s you compare the discounted price of the 4C’s effortlessly and will improve your negotiating position.