Gem Auctions is an independent gem auction house with an emphasis on three principles: Run-of-mine productions directly from leading miners Thorough and precise preparation, including consistent assortments and Galaxy scanning Transparent and trustworthy bidding process powered by technology. Gem Auctions DMCC offers premium, ethically sourced rough diamonds efficiently. Based in Dubai, Gem Auctions (GA) is one of the most trusted Rough Diamond Tenders & Auction House.