New Delhi, 03 November (NNS): Big cardamom prices gained by Rs 50 to Rs 1730per kg owing to the strong buying from the stockists at the higher prices. Recently, the prices have gone up by Rs 100/125 per kg. The average auction price rose to Rs 1300/1987 per kg in the last auction which held on 30th October. There is no fear of profit taking selling from the stockists during the near future.