Masica Diamonds is a Direct Diamond Wholesaler located in North Bethesda, MD 20852 serving the Northern Virginia, Rockville, MD; Bethesda, MD; North Bethesda, MD; Potomac, MD; and Washington D.C. area. We offer a wide selection of Certified Diamonds, Engagement Rings, Wedding Bands. Fine Jewelry, Bracelets, Pendants, Earrings, Diamond Studs, and Necklaces. Custom Jewelry Design, Jewelry Repair, Appraisals done on premises. 30 years of serving customers throughout the USA. Master Diamond Cutter on Premises. Online or by Appointment. Private Parking on Site. Nobody Can Cut you a Better Deal than a Master Diamond Cutter.