500.
Zakat on the Bridal Gift The bridal gift is either: deferred, paid, or due but not paid yet.

1- Any deferred amount: (A): When she finally takes possession of it, she must pay zakat on it for all the years that have passed. However, there are two other positions in the madh-hab. (t) was asked about the bridal gift of a woman who had been married for many years but was not able to ask her husband for it lest they separate. After many years, she was compensated for her bridal gift (by being given some real estate or the bridal gift). Does she have to pay zakat for the past years, or must she do so only after 1 year has elapsed since she took possession of it? He replied:

Praise be to Allah, there are many opinions concerning this matter among the scholars. The most correct opinion is the view of those who say that no zakat is due at all until one year has passed or zakat is due (for one year) once she takes possession of it. There is evidence for both views. The former is the view of Abu Ḥaneefah, and the latter is the view of Mâlik, and both are mentioned in the madh-hab of Aḥmad. Allah knows best.

The opinion of (H) ̶ that no zakat is due until 1 year has passed after she takes possession of it ̶ is applicable to our times, since it is the custom among most people that women do not ask for the deferred part of the bridal gift except when separating from the husband or upon his death.

2- Any amount that is paid to her: She pays zakat on it, even before the consummation of marriage.