Diamond \di(a)-mo-nd\ as a boy's name (also used as girl's name Diamond), is of Old English origin, and the meaning of Diamond is "bright guardian". A jewel name. Actor Lou Diamond Phillips.

Baby names that sound like Diamond are Damont, Daymond, Daimond and Demond. Other similar baby names are Aimond, Damone, Damon, Desmond, Dezmond, Jamond, Lamond and Ramond.