Touts were selling match tickets for £11,723 on website StubHub while prices on secondary selling site Ticombo soared to £9,400.
England, meanwhile, were tested by Colombia before comfortably dispatching of Sweden in the quarter-finals.
"When you have such a solid foundation, you have the basics and clear understanding of what we want to do and achieve, it's not a surprise that it's going well for us", he added.
A direct return flight from London to Moscow this morning will cost at least £1,900.
As excitement builds in England in the run-up to the nation's first World Cup semi-final for 28 years, midfielder Dele Alli said that the team are keeping a cool head in their tournament "bubble". "We are so focused on the games that you forget what we have done so far", he added.
"But now, I pray and I would give anything in the world that this squad eventually "confines us to history".
Lovren has come a long way for club and country since that dreaded encounter against Spurs in October and it will be fascinating to see who prevails this time around.
Pubs and big screen areas across the country are expected to be packed on Wednesday evening for the England match. Similar events are being held in other major cities. I could be with my parents, eating and drinking and watching the game on TV. While it is easy to say England has to stop the Real Madrid star, his former Tottenham team-mate Jenas warns in a column for BBC.com that will be no easy task for the Three Lions. They have been great ambassadors for our country. "And they have this incredible spirit, like England have".More news: Lovren feeling Liverpool spirit in Croatia's World Cup run
"Our country has been through some hard moments recently in terms of its unity and I think sport has the power to do that and football in particular has the power to do that".
"We can feel the energy and support from home, it's a privilege for us". "It's a very special feeling, it's a privilege for us".
The last time a Belgium team got this far at the World Cup, it lost 2-0 to Argentina at the 1986 tournament in Mexico. "If I had a vote, I would vote for Luka", he said. "I am happy that I came here and now we will go for the third place", Belgium fan Patrick Robert Wouters said. "So, they should - we've got trust in them doing that".
Renditions of "It's Coming Home" have echoed across pubs, parks and gardens as fans dream of a second World Cup triumph.
He also admitted he had reconciled with Baddiel and Skinner's popular football anthem, which was first released to coincide with Euro 96 when Southgate's missed penalty saw England knocked out.
In Nice, over 30 people were injured after a massive stampede broke out two minutes before the end of the semifinal match between France and Belgium.
France has always been strong on paper, but in-house fighting and player unrest has dogged Les Bleus in the last few World Cup campaigns.