Two stunning Aquamarine gemstones—cut in pear and rounded shapes—are set on a matte gold band, making this ring an option for brides looking for something completely different.

The couple later picked out a diamond and emerald ring from Van Cleef & Arpels. In 1968, five years after JFK's death, Jackie married Aristotle Onassis. He proposed with a 40-carat marquise-cut ...