ISLAMABAD      -   The price of 24 karat gold jumped by Rs550 and was traded at Rs86,800 per tola as compared to the last closing at Rs 86,250, Karachi Sarafa Association reported on Thursday. The price of 10 gram gold also witnessed increase of Rs472 and was traded at Rs74,417 against Rs73,945 of last day. The price of silver remained constant and was traded at Rs1100 per tola and that of 10 gram silver was traded at Rs943. In international market the price of per ounce gold soared by $5 and was traded at $ 1500 as compared to the last closing at $1495.