Amal Alamuddin’s Engagement Ring Is Rumored to Be Worth a Cool $750,000

Love and engagement rings go hand-in-hand. From Princess Diana to Jennifer Lopez to Reese Witherspoon, these celebrities have shared their unique stories of meeting "the one" in Hollywood — that is, before walking down the aisle with gorgeous engagement rings. Similar to love stories, no engagement ring is alike, and yes, even when it comes to their value. Ranging from $150,000 to a whopping $5 million, these famous royal and celebrity engagement rings have been the center of attention, and for good reason.