New Delhi, 21 July (NNS): Here, the prices of coriander badami jumped by Rs 300 to Rs 8600 per quintal due to increased buying from the stockists even after the improved prices. Recently, the prices have gone up by Rs 100 per quintal. There were around 500/600 bags of coriander reported to arrive in the Baran mandi of Rajasthan and the prices held stable at the same level of the previous day. The active contract prices gained by Rs 20 or 0.26 percent to Rs 7660 per quintal because of the nominal speculative buying. The spot coriander prices will likely to remain strong during the coming one or two days.