New Delhi: Gold prices Saturday surged by 175 to touch an all-time high of 29,265 per 10 grams in the bullion market here on rising seasonal demand amid a firming global trend. Silver also jumped up by 800 to 57,850 per kg. Traders said gold spurted on heavy buying by stockists and jewellery makers to meet the ongoing marriage season demand amid a firming overseas trend as concerns about Europe''s debt crisis boosted the demand for the metal as a protection of wealth. In New York, gold shot up by $6.60 to $1,765 an ounce. Back home, gold of 99.9 and 99.3 percent purity shot up by Rs 175 each to 29,265 and 29,125 per 10 grams, respectively. Sovereign rose by Rs 850 to Rs 23,300 per piece of eight grams. Likewise, silver also climbed on brisk buying by industrial units. Silver ready jumped up by 800 to 57,850 per kg and weekly-based delivery by 825 to 57,750 per kg. Silver coins shot up by 1,000 to 67,000 for buying and 68,000 for selling of 100 pieces.