 79 degrees now at DuPont Circle, 76 in Germantown, 80 degrees in Annandale. Brought to you by Mervis Diamond Importers. The diamonds at Mervis come from the mines in Africa. The best quality and value are at Mervis Diamond Importers. Coming up on WTOP, what to watch for if you pay your rent with your credit card. More news in 60 seconds.