Formerly of Youngstown, Ohio, Matt Carlozzi Jr. ushered into the jewelry business as CEO/Owner of a manufacturing and loose diamond wholesale company featuring his patented loose diamond design. With his roots firmly planted in the capital city, Mr. Carlozzi owns and operates CDI Diamonds & Jewelry (formally Bernie Helmick Diamonds & Gold) which has been serving the Columbus area for over 20 years. CDI has amassed an impressive 500, 5-star reviews on Google that continues to grow daily. CDI specializes in certified loose diamonds, diamond wedding bands, engagement rings, designer sterling silver collections, and lab grown diamonds. CDI also offers expert jewelry repair, custom design as well as high-end watch repair.