Which Waterfall location do you work at? I work as a Sales Associate at the White Lake store. When did you start in the jewelry industry I started in the jewelry industry in 2010. I trained for about a month at the original Waterford location and then moved over to the White Lake store when it opened in May 2010. What is your favorite gemstone? Blue Sapphire. What is your favorite cut of diamond? Round because it delivers a timeless look, and when cut appropriately they sparkle unlike any other. Who is your favorite Detroit team? Go Tigers!