After Colbert's deconstruction of this tour, unlikely any 0.00001 percenter would want any unwanted attention by buying this "once-in-a-lifetime adventure." This may go down as one of the most ...

Prices for lab-grown diamonds will continue to fall over the next year, he said. Zimnisky didn't have a price target ... people's engagement rings, there's a lot of three-, four-, five-carat ...