Eliya Cohen proposed to his girlfriend Ziv Avud on a Tel Aviv hotel rooftop, eight months after his release from Gazan captivity. Before his kidnapping, Eliya had bought a ring and planned to propose. More than two years later, he was finally able to ask, and Ziv said yes.
https://www.jns.org/the-ring-that-waited-through-captivity-former-hostage-pops-question/