A vintage four-carat Boucheron ring from husband John Stamos. Reese Witherspoon isn't a "little" girl, as husband Ryan Phillippe must have known when he picked up a four-carat Asscher-cut diamond ...

Engagement rings in solid rose gold with a shield-like trillion ... dramatic personality. An Asscher diamond—known for its deep cut that hides carat weight below the surface—is the perfect ...