Al-Baqarah 2:237

وَإِن طَلَّقۡتُمُوهُنَّ مِن قَبۡلِ أَن تَمَسُّوهُنَّ وَقَدۡ فَرَضۡتُمۡ لَهُنَّ فَرِيضَةٗ فَنِصۡفُ مَا فَرَضۡتُمۡ إِلَّآ أَن يَعۡفُونَ أَوۡ يَعۡفُوَاْ ٱلَّذِي بِيَدِهِۦ عُقۡدَةُ ٱلنِّكَاحِۚ وَأَن تَعۡفُوٓاْ أَقۡرَبُ لِلتَّقۡوَىٰۚ وَلَا تَنسَوُاْ ٱلۡفَضۡلَ بَيۡنَكُمۡۚ إِنَّ ٱللَّهَ بِمَا تَعۡمَلُونَ بَصِيرٌ 237

And if you divorce them before you have touched them and you have already specified for them an obligation, then [give] half of what you specified - unless they forego the right or the one in whose hand is the marriage contract foregoes it. And to forego it is nearer to righteousness. And do not forget graciousness between you. Indeed Allah, of whatever you do, is Seeing