New Delhi, 12 January (NNS): Coriander badami prices rose by Rs 100 to Rs 8000 per quintal owing to the increased buying even after the higher prices. Recently, the prices have gone up in the same ratio. There were around 3500 bags of coriander reported to arrive in the Ramganj mandi and the prices gained by Rs 100 per quintal. The active contract went up by Rs 62 or 0.90 percent to Rs 6922 per quintal owing to the increased speculative buying. In this situation, the spot coriander prices will likely to remain in the limited area during the coming one or two days.