Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: When a slave woman is freed before the marriage has been consummated and she chooses herself (separation), she gets nothing; he is not to suffer both losses together, that his wife goes and his wealth goes too.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 14288