we'll ask the price line ceo brett keller coming up.gment i was telling you about, can you tell the difference between a natural diamond and lab-grown one? lauren: probably not. david: in a few moments, this they are. one of these is lab grown. i can't tell the difference. we'll find out how you can tell the difference coming up. lauren: i know. ♪ you can't buy great conversations or moments that matter, but you can invest in them. at t. rowe price our strategic investing approach can help you build the future you imagine. t. rowe price, invest with confidence. hi, i'm stacey, and i've lost 60 pounds on golo. (guitar music) i was surprised with the golo plan, i was not hungry. thanks to release, i don't feel the need to go for snacks or go back for seconds. give golo a try. this plan works. david: we are thick in the middle of it. the engagement season, which mean as lot of couples are dishing out thousands of dollars for tens of thousands of dollars in diamonds and gerri willis joining me from the diamond district. gerri, tell us about