"Jeweler Network" 585 "is the largest number of stores retail chain in St. Petersburg. In late 2007, has 378 stores" 585 "operating in 130 Russian cities. According to independent market research of sales" Jewelry Network 585 " at least 20% of the total sales of jewelry in St. Petersburg.ng research sales share" Jewelry Network 585 " at least 20% of the total sales of jewelry in St. Petersburg.