The phrase "although I considered" is correct and usable in written English.
It can be used to introduce a contrasting idea or to indicate that despite considering something, a different decision or conclusion was reached.
Example: "Although I considered the risks, I decided to proceed with the project."
Alternatives: "Even though I thought about" or "Despite my consideration of".
(Although I consider myself relatively makeup-savvy, I tend to get this step wrong.
Although I consider myself fairly liberal, I also am worried about where this money is going to come from".
Although I consider it "doing the right thing for the wrong reasons," it is a long-awaited first step.
For example, although I consider Diva's annual sex issue covers show "respectful" nudity that is not degrading to women, others may disagree.
"Although I consider myself reasonably paid, at the end of each working month after paying monthly household bills, travel, food etc, there isn't anything left from my pay.
Although I consider myself left of center, after an hour of Popular Front nostalgia, dark talk about the powers that be, and fulsome praise for the anti-Zionist play "My Name Is Rachel Corrie," I couldn't help wishing that Condoleezza Rice had been booked for the second half, to read policy papers on Iraq and play Brahms at the piano.
Although I consider myself quite liberal, I do not understand why some students are upset about this new initiative.
Yet none of the complaints seems to bother me although I consider myself on the edge of being one of those dedicated gamer.
Although I consider myself as a Catholic, I think science provides the best information because it has been looked into and researched.'.
With 3G-enabled video chat and 24/7 access, mobile phones definitely offer a potentially strong medium for dating services, although I consider a great user interface that matches with its fixed counterpart and security two major hurdles to overcome.
