Gold lost 100 rupees, to 30,200 rupees per ten grams at Delhi's bullion market, today, due to slackened demand at prevailing higher levels, amid a weak global trend. Silver dropped 50 rupees, to 54,300 rupees per kilo. In Singapore, gold slid 0.4 per cent, to 1,613 dollars an ounce, as the euro weakened against the dollar. Silver shed 0.3 per cent, to 28.17 dollars an ounce.