A wedding ring was worn by those who were married. (TV: The Wedding of Sarah Jane Smith)

The Twelfth Doctor wore one to commemorate his marriage to River Song. (TV: The Wedding of River Song, The Husbands of River Song, Extremis, Twice Upon a Time) Martha Jones did the same when she was engaged to Thomas Milligan, (TV: The Sontaran Stratagem) but later discarded it when she married Mickey Smith. (TV: The End of Time)

Flip Jackson's wedding ring cost Jared Ramon a week's pay. (AUDIO: The Behemoth)

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