I think 2.4k-3k is reasonable for AD with one photographer, one assistant, 10hrs and a coffeetable album. All have their photography page on facebook
But the really expensive ones i think in the above 4k range will be below, and if you add the album will be more expensive
thegaleria
expressively joho
lighted pixels
tinydot
for the 2.5-3k that I personally like
bittersweet by joseph
Hendra R. photography
daniel beh photography
for the budget
you can ask those of your friends, but might not be safe