News Releases 17/09/2008 The 31st International Auction of Special Size Rough Diamonds 04/08/2008 The 30th International Auction of Special Size Rough Diamonds More Auction Results 31 auction 30 auction 29 auction 28 auction 27 auction 26 auction 25 auction 24 auction 23 auction 22 auction 21 auction 20 auction Articles 04.07.2003 «An Auction Is Not AN Exhibition» 20.07.2004 Multiple Facets of Diamond Auctions

Formerly rough diamonds of special sizes (+10.80 ct) were sold exclusively at tenders open only to RF-resident diamond manufacturers.

Offered for sale are exceptionally large rough diamonds, including stones weighing over 50 ct that have not been classified as ‘unique’ by a special expert panel of the RF Finance Ministry.

The bidding is by invitation only and takes place on the premises of the Diamond Chamber of Russia. Bidders are foreign-based and Russian companies, specialized in operations with large size rough and polished diamonds, and having high business reputation.

Notification of the date of the auction, its terms and conditions, information on individual exceptionally large diamonds and lots available for sale, their starting price, and other additional information is sent to invitees only.

Starting prices for exceptionally large diamonds and lots of special size diamonds are set by ALROSA valuation experts on the basis of estimated future polished value.

All the bidders are entitled to preview the lots to be auctioned. The diamonds are sold to that of the bidders who has made the highest bid.