10ders offers three useful tools for diamond rough traders and manufacturers.
Gemplan - A revolutionary easy-to-use calculator that allows estimating diamond manufacturing yield using simple gauge. It supports most common shapes, both white and fancy colored.
Calendar - The place to get updates about upcoming rough diamond tenders worldwide. With calendar, you can contact tender houses easily and book appointments.
Bidder - The new way to manage rough diamonds bidding prices. Using rapaport pricelist it helps figure bidding prices, consult polished experts and send your bids,