Koin International Rough Diamond Tender: 5 - 10 May 2021 Koin International DMCC Rough Diamond Tender You are invited to attend the latest tender hosted by Koin International DMCC. Viewings available from 9:00am to 7:00pm. Book your place now! bookings@koininternational.com +32 32312305 Event details Where DDE Trading Floor, Level 2, Almas Tower When 9:00AM - 7:00PM, 05 - 10 May 2021