Koin International Rough Diamond Tender Koin International DMCC Rough Diamond Tender You are invited to attend the latest tender hosted by Koin International DMCC from 11-16 May 2022. Viewings available from 9:00am to 6:00pm. Book your place now! bookings@koininternational.com +32 32312305 Event details Where DDE Trading Floor, Level 2, Almas Tower When 9:00AM - 6:00PM, 11 - 16 May 2022