I highly recommend Diana & Arturo’s place! The location is stellar - it’s a lovely 10-15 min walk to Alameda Central Park and Palacio de Bellas Artes, and just a few more minutes to get to the historical center. The apartment has a gorgeous view of El Monumento de la Revolución which we marveled at every morning and evening. The apartment has two very comfortable bedrooms, a stylish and comfy sitting room and a fully equipped kitchen. (Protip: there is a Walmart - Buenavista location - a couple of km away if you want to stock up on fruit, coffee and some snacks).
Given the stellar location, you can hear street noise and see lights from the apartment, so if you’re a light sleeper or like to sleep in, I’d recommend bringing some earplugs and an eye mask.
The building & security staff were also very welcoming and friendly and made us feel very safe and comfortable. I would definitely stay here again during my next visit to CDMX!