| Part of speech | common noun |
|---|---|
| Hyphenation | di·a·mant·o |
| Singular | Plural | |
|---|---|---|
| Nominative | diamanto | diamantoj |
| Accusative | diamanton | diamantojn |
| Afrikaans | diamant |
|---|---|
| Albanian | diamant |
| Catalan | diamant |
| Czech | démant; diamant |
| Danish | diamant |
| Dutch | diamant |
| English | diamond |
| French | diamant |
| German | Diamant |
| Italian | diamante |
| Papiamento | djamanta |
| Portuguese | diamante |
| Russian | алмаз |
| Saterland Frisian | Diamant |
| Spanish | diamante |
| Sranan | dyamanti |
| Swahili | almasi |
| Swedish | diamant |
| Tagalog | diyamante |
| Thai | เพชร |