This week on Under The Radar:

Pop the champagne! October is the most popular month to get married, according to The Knot , the nation’s leading wedding marketplace. And the wedding industry sure is on the rebound after more than a year of postponed pandemic weddings. That includes increased consumer demand for diamond engagement rings.

Diamond sales shot up 30 percent from last year . Consumer demand coupled with COVID-19 restrictions led to global diamond shortages, and something else: a more vocal movement calling for a move away from mined diamonds toward so-called ethical or conflict-free diamonds.

But... it’s complicated. For example, where do lab-grown diamonds fit into the picture? And how do millennials who support sustainability navigate potential "greenwashing" in the jewelry industry?

GUESTS:

Raquel Alonso-Perez , curator of Harvard University’s Mineralogical and Geological Museum.

Craig Rottenberg, president of Long’s Jewelers in Boston and vice chair of Jewelers of Americas Board of Directors .