Congrats on the move, @chaitea43! 
Amethyst, Amaris, and Mary have already offered some great advice for you. The House Blessing Prayer shared is a really lovely one! 
In addition to what’s already been suggested, you could also place crystals around the new home (bringing balance and harmony to the new space):
Where to Place Crystals Around the Home
If it’s something you are interested in, you may invite a diety or spirit of the hearth and home to move into the space with you.
Gods & Goddesses of the Home: Protective Spirits of the Hearth
And at any stage in the moving process, you could do a home blessing ritual. Here is a pretty one:
Wishing you and your fiance all the best with the move, @chaitea43! Good luck and congrats on the new apartment! 