From a cushion-cut jewel to Princess Diana's famous sapphire, here's everything to know about these well-known sparklers. While Queen Elizabeth, Kate Middleton, and Meghan Markle are three of the most ...

Before a royal bride says "I do" to her partner, she needs to say "yes" to the proposal. Depending on the couple's relationship, this sentimental moment may unfold on vacation at a spot that's ...