Luxury, by definition, has always defined itself by alluding to affluence in the form of exclusivity, craftsmanship, and a touch of excess. More often than not, this has come at a cost to the environment—in an industry as ecology-threatening and morally questionable as diamond mining. A new wave of sustainable luxury has emerged in recent years, refreshing and reshaping old paradigms through innovation and ethical practices—one of the most significant innovations being that of colored lab-created diamonds.