Family name Διαμάντη (Διαμάντη 
) , worldwide, is an extremely rare cognomen. The family name Διαμάντη is habitual in Southern Europe, particularly Greece, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Διαμάντη | Greece |
| λίτσα διαμάντη Greek singer, GR (b. 1949) |
|
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| βιργινία διαμάντη Greek actress, GR |
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