He fell to 16th but recovered to second, ahead of Raikkonen who completed the podium.
"A racing incident [with Raikkonen], unfortunate because Le Castellet, first time we got taken out, and now it's the second time we get taken out, and it's a lot of Constructor points".
Vettel had already assumed the lead after jumping Hamilton off the line and built a commanding lead in the first part of the opening stint, opening up a six-second gap over Bottas.
There were many factors in Sebastian Vettel's British GP win: first-lap tangles, safety cars, strategies and last-gasp passing. Bottas had a lead to defend, Hamilton was running third, Vettel the red meat in the Mercedes sandwich.
The stewards would investigate the Lap 1 incident and gave the 2007 world champion a 10-second penalty which he took during his first pit-stop.
Later, when asked if he felt the move by Raikkonen was deliberate, the Brit replied: "All I would say is that in two races the Ferraris have taken out one of the Mercedes". Hamilton finished second and surrendered more ground to the German in what is turning out to be an epic and see-sawing title fight.More news: Protesters are getting 'American Idiot' into the charts ahead of Trump's visit
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Marcus Ericsson had a high-speed crash on lap 33, which brought out a safety vehicle.
Carlos Sainz Jr was fastest of those eliminated in Q1 when he was bumped to 16th by Renault team-mate Nico Hulkenberg's late improvement and said he lost time owing to Magnussen locking up ahead of him into Turn 3.
"I came here to clarify, if he actually said something like that, I mean, he should be ashamed of himself", Arrivabene said.
Although frustrated by the first period of the race, Wolff said Mercedes did the right thing in not pitting during the first safety vehicle period, even though it left Valtteri Bottas exposed in the lead as other drivers took fresh tyres.
Hamilton was 29 seconds behind leader Vettel and 11 behind Raikkonen, but he was turning in the quickest laps of the race, and when Daniel Ricciardo stopped for a second time, he was up to fifth. I gave everything I could, and I was struggling to stand.
"I don't know what happened but it (the neck) went a little bit stiff".
"Historically it has not been a very strong track for us, but today has been a good start, and hopefully we can improve tomorrow and kill their magic".