If you don't live in Greece, Follow these steps
1)Go to this Greek proxy (it's deadly slow so if you don't really like the necklace, which is actually very tiny, I suggest you to not to bother to get it)
https://ykpatra.dyndns.org/cgi-bin/nph-proxy.cgi
2)Paste stardoll link in the blank box of the proxy
www.stardoll.com
3)Click Begin Browsing
4)Log in stardoll
5)Paste the contest link in Location via proxy and Click Go
http://www.stardoll.com/en/contest/finish.php?id=1129

6)Remember to wait a little till contest page loads
7)Leave the proxy, Go to stardoll as usual
Necklace should be in a giftbox in your suite