Just seven months after Prince Rainier III of Monaco swept Grace Kelly off of her feet during a photoshoot at the Palace of ...

A platinum ring centered with a 19.14-carat emerald-cut diamond with D-color and VS1 clarity. The main stone is flanked by several baguette-shaped diamonds. Its estimate is $700,000 - $1 million.

While we're all familiar with the more classic circular, square, emerald or oval cuts ... held in a claw setting and bordered ...