Bonas Rough Diamond Tender: 17-24 May 2022 Rough Diamond Tender operated by Bonas Group Bonas Group is pleased to invite you to their rough diamond tender from 17-24 May 2022. Viewings available from 9:00am to 6:00pm. Book your place now! mary@bonasgroup.com +971 4431 0036 | +971 50 9479148 Event details Where DDE Trading Floor, Level 2, Almas Tower When 9:00AM - 6:00PM, 17 - 24 May 2022