Diamant rhymes with:
adamant, argument, armament, complement, condiment, detriment, disarmament, element, excrement, experiment, filament, impediment, implement, increment, instrument, integument, ligament, ornament, orpiment, parliament, predicament, rearmament, regiment, sacrament, sediment, sentiment, supplement, temperament, tenement, testament, tournament, vehement
Diamant sounds like:
d'amato, dainty, damato, damewood, damietta, damita, dammed, dammit, damned, damuth, dando, dandy, dant, dante, daunt, daunted, dawned, deanda, deemed, demand, demanded, dematteo, demattia, demeaned, dement, demented, dementia, demint, demond, demont, demonte, demote, demoted, demott, demuth, dendy, denied, dennett, denominate, denominated, denote, denoted, denouement, dent, dente, dented, denude, denuded, detained, detente, detonate, detonated, dhondt, diamanta, diamante, diamond, diantha, dianthe, dianthia, didn't, didonato, dimatteo, dimmed, dimmitt, dimond, dinda, dined, dinoto, dint, dinwiddie, domed, dominant, dominate, dominated, don't, donadio, donat, donata, donate, donated, donath, donati, donato, donde, donned, donut, doomed, downed, downwind, dummitt, dumond, dumont, dundee, dunite, dunned, dunnett, dunwoody, dyment, dymond, dynamite