New Delhi, 04 September (NNS): Here, the prices of coriander Badami rose by Rs 100 to Rs.8300 per quintal because of the improved buying from the stockists at the lower level during the previous week. There were about 4000 bags of coriander reported to arrive in Ramganj Mandi and the prices remained stable at the level of the previous day. The active contract went up by Rs.52 or 0.73 to Rs 7140 per quintal because of the increase the speculative buying. The spot coriander prices may likely to remain sluggish during the coming one or two days.