Chris Del Gatto is behind the resale of some of the most luxe diamonds in the industry. Upon launching his namesake company, DELGATTO-–with the tagline “Sell Wisely”—he gives us the scoop on what’s happening in the market, how he’s making the jewelry biz a sustainable one, and which pieces we should keep our eyes on. When did you first take an interest in the jewelry biz? I grew up in NYC, and some of my fondest memories are of walking around the city with my father looking at the architecture.