We've dished the hairstyles, the makeup and (of course) the gorgeous gowns from last night's Golden Globes, but we haven't even scratched the surface when it comes to the stunning jewels adding the finishing touch to their red carpet looks. I worked directly with the Diamond Information Center to get the inside scoop on the hottest diamond styles and most expensive looks from the 2011 Golden Globes. Ready for a major case of jewelry envy? Here we go!

Most Expensive Diamonds

Helen Mirren, the queen of all that is classy and elegant, was absolutely dripping in $1.7 million worth of Cartier diamonds. The necklace alone has a total weight of 55.08 carats!

Want more diamond secrets from the red carpet? Keep reading......