Jackie Kennedy. A fixture on mood boards and wishlists since her 1953 engagement to John F. Kennedy, her Van Cleef & Arpels ring set the tone for a generation of jewelry lovers. The memorable ring ...

To this day, Jackie Kennedy’s Toi et moi, or “you and me,” piece remains one of the most unique engagement rings of all time, starting a trend of unconventional jewelry for brides to come.

Ahead, we explain how that proposal might have unfolded. Related: Where Are Jackie Kennedy’s Engagement Rings Now? Believe it or not, there are two relatively credible stories about JFK and ...