Million-Dollar Diamond Sales, Industry Secrets, Lab vs. Natural & How the Rich and Famous Really Buy Their Stones. Diamonds, money, and a little controversy. The girls head to Nashville to sit down with Bre Demers, a diamond dealer who’s built a career inside one of the most exclusive, tightly guarded industries in the world and now sits on the board of De Beers. From how she broke in to how seven-figure stones are actually sold, Bre spills what really happens behind the scenes: the clients, the power dynamics, the lab vs. natural debate, and the truth about how the rich and famous buy their diamonds.