Allison Williams

For cardio, I do SoulCycle. I really don't like to run, plus I have terrible knees and get bored on the elliptical. SoulCycle is basically a dance party on a bicycle, and you burn calories, and it's so fun.

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.