On that jewelery and other valuables i.e computer.
If the liabilities exceed the jewellery, then there is no Zakaat. If the
jewellery is more than the liabilities, then if the excess if equivalent or
more than the value of Nisaab, then Zakaat is compulsory on that amount.
For more information, kindly refer to ‘Calculation of Zakaat .’ at www.jamiat.org.za/isinfo/zakaat_c.html
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai