Gemworld Санкт-Петербург
(yes, that's Saint Petersburg. With a little effort you can even recognize it)
http://www.gemworld.ru/http://www.gemworld.ru/expositions/sankt-peterburg/25-28 december 2014
11-14 december 2014
27-30 november 2014
20-23 november 2014
6-9 november 2014
4-7 september 2014
21-24 august 2014
31 july - 3 august 2014
4-7 july 2014
12-15 june 2014
29 may - 1 june 2014
10-13 april 20146-9 march 201427 february - 2 march 201430 january - 2 february 2014
23-26 january 2014
16-19 january 2014
19-22 december 2013
5-8 december 2013
14-17 november 2013
1-4 november 2013 (not 21-24 november 2013)
28-31 october 2013 (not 17-20 october 2013)19-22 september 201322-25 august 201313-16 june 201316-19 may 201318-21 april 20137-10 march 201324-27 january 20138-11 june 2012ДК им. С.М.Кирова, Большой пр., д. 83, оф. 335, Санкт-Петербург / St Petersburg, Russia
(Google has problems finding the address, please check before you go ;)