"although considering" is a correct and usable phrase in written English.
You can use it to introduce an idea that gives an alternative perspective on an opinion. For example: "Most people believe the economy is improving, although considering the recent jobless numbers, the situation may not be as positive as it appears."
Although considering the competition, this isn't much of an achievement.
It was reliever Pedro Feliciano, playing a joke, although considering how little Tatis seemed to matter to the Mets at the time, it was a joke with little impact.
Traditional figurative art is the answer, I suppose, although considering the stress on work derived from a priori, abstract procedural systems, there's no reason why Chuck Close's grid portraits could not have been thrown into the stew.
Good news for Microsoft then, although considering the installed bases and the fact that the previous largest day one seller on PS3 was GT5: Prologue - approx 80k - you can spin this as decent news for Sony too.
Later everyone joined in a Scottish singalong with the refrain, "Donald, where's your trousers?" "The next party is May Day," Ms. McCluskey said, although considering the way this party was going, perhaps it would just continue until then.
Although, considering the Blazers fired their last general manager on draft day, this one contributes to the team's circuslike atmosphere mostly for its cumulative effect, writes Ken Berger on CBSSports.com.com
Although considered a minor procedure, a biopsy can cause scarring and generate significant breast deformity and emotional distress.
"Although considered by many to be a success story, the benefits of productivity increases in world agriculture are unevenly spread.
Although considered to be a moderate Republican, his positions, from gun control to abortion, can seem oh-so-carefully nuanced.
The 1983 collection of the same name, although considered uneven, was praised for its innovative writing.
Although considered a long shot in the 1994 gubernatorial elections, Ridge defeated the incumbent lieutenant governor.
