Sorry, that wasn't too bright of me. The year of the car is 2013.
well good news is it won't be over 500 dollars. That is just insane. You can buy the stock trunk decklids with the emblems on ebay for a decent price sometimes. Also some members on here have installed decklid panels that delete the GT cap and so have the regular decklid for cheap. I got mine off another user on here for a really good price and then modified it for my 2011.