Kate Middleton 's engagement ring is same as worn by Princess Diana . Old wives ' tale : The ring may carry energy of previous owner . Marriage : If woman wears ring before wedding , wedding will not take place . Single women should not put ring on engagement finger as it might curse her to be single forever .
Kate Middleton 's engagement ring is same one worn by Princess Diana . Old wives ' tale : Engagement rings may carry energy of previous owner . Superstition : If woman removes ring before wedding , wedding may not take place . Single women should not put ring on engagement finger as it might curse her to be single forever .