Dubai Sells $87m of Rough in Record-Breaking Tender December 17, 20 by John Jeffay (IDEX Online) - The Dubai Diamond Exchange sold $87.5m of gems at the UAE's largest ever rough tender. More than 250 companies took part, with delegates flying in from India, Hong Kong, Russia, Belgium a nd Lebanon, as well as Israel, now that links have been "normalized". Organizers said the record-breaking tender testament to strength of Dubai's diamond ecosystem and confidence boost for its industry. A total of 379,912 carats of rough diamonds from South Africa and Angola were sold to 115 customers during the eight-day event organized by Stargems DMCC at the Almas Tower skyscraper.