Tapping Into a New Market: How to Reach The 'Millennials' A global marketing campaign launched by Hearts On Fire which targets the so-called Millennials, people born between 1980 and the early 2000s, has put the spotlight back on to the issue of how to market diamond jewelry to this category of potential buyers. The Millennials have already started to, or are about to, enter the marrying age, but, as marketers have discovered, this group's buying patterns are different from t