ISLAMABAD       -     The price of 24 karat gold witnessed sharp increase of Rs800 per tola on Thursday and was traded at highest-ever rate of Rs129,500 as against its trading at Rs128,700 the previous day. Likewise, the price of 10 gram gold also witnessed increase of Rs685 and was traded at Rs111,025 against its sale at Rs110,340, Karachi Sarafa Association reported. The price of per tola silver increased by Rs20 and was traded at Rs1650 against its price at Rs1630 whereas that of 10 gram silver went up by Rs17.14 and was sold at Rs1414.6 compared to Rs1397.46. The gold prices in the international market increased by Rs9 and was traded at $2050 against $2041 on Thursday, the association reported.