Alrosa’s diamond auction at the Hong Kong Gem & Jewellery Fair has realized $10.2 million or sale of 81 lots of the 89 lots on offer. The auction comprised of special sized rough diamonds, in all totaling 1,605.54 carats. Of these three rough diamonds were larger than 50 carats each. %% There was also an auction of polished diamonds, which achieved sales of 69 polished diamonds or 264.66 carats. The sales amounted to $3.3 million. In this sale, the lots that were unsold included 10 polished diamonds having a total weight of 21.34 carats.