Merchandise purchased from myNavyExchange.com can be returned within 45 days of purchase for a refund or even exchange. Diamond jewelry returns may be subject to an IGI appraisal prior to issuing a refund. Exceptions to the 45 day NEX Customer Return Policy are pre-paid cards, music, phone and gift cards, which are not returnable. Pre-recorded movies, music, video games, and computer software are returnable in original unopened factory sealed packaging within 45 days. If defective, they may be exchanged for an identical item.