Mayer was classically trained as a diamond cutter with one of South Africa's largest diamond companies. He then founded First Canadian Diamond Cutting Works, the first diamond factory in Canada. He also created Y&M Diamond Trading of New York, a leading seller of loose diamonds.With his experience, Mayer brings a very strong quality and value perspective to his responsibilities and strongly believes his personal mission is to provide "the customer with the best quality and value for each and every diamond or piece of jewelry they acquire."