Rainier initially proposed to Kelly with a simpler ruby and diamond eternity band ... Her sister, Princess Beatrice, has a 2.5-carat diamond ring, with .75-carat baguette diamonds on the sides ...

Liden, 26, found a 2.20-carat yellow diamond at Crater of Diamonds State Park in Arkansas on May 7, bringing to a close a years-long search for raw materials to create the perfect ring ...