Gold prices jumped by ₹70 to hit a fresh all-time high of ₹98,170 per 10 grams in Delhi on Thursday, according to the All India Sarafa Association. Gold of 99.9% purity had closed at ₹98,100 per 10 grams on Wednesday. Meanwhile, silver prices plunged by ₹1,400 to hit ₹98,000 per kg from Wednesday's closing level of ₹99,400 per kg.