It is very difficult to guess at what other people consider high or low or medium quality.
In Brazil, low quality is normally linked to unfinished floors (plain concrete),no skirtings, no roof (as in only tiles, nothing below the tiles),bathroom floor and walls are probably basic cement with no finishings. Doors, windows and fixtures and fittings are cheap and cheerful - normally cheaper than they are cheerful. To get this quality you can look at R$ 800,00 - maybe even less if you are building it yourself or if Manoel from around the corner is building it for you. (Not recommended unless you are familiar with Brazil, are fluent in Portuguese and are going to be standing behind him 99% of the time). Even if building it yourself with 25 years under your belt as a builder in <fill in country name here> unless you live here, understand the mentality and speak fluent Portuguese you will almost certainly end up spending considerably more.
Medium or medium/high quality we are talking about ceramic or porcelain floors and skirtings, better doors, windows, fixtures and fittings, wooden roofs, possibly cathedral ceilings, etc - bathroom floors and walls covered with tiles, etc. Normally this would cost between R$ 1.100,00 and R$ 1.300,00
With all of the above we are still talking basic fittings (normal bathroom sinks, toilets, taps, etc)
If you go all out and have wooden floors throughout or marble throughout with Starck bathrooms with hans grohe taps and sinks, onyx soap holders, etc you can spend a lot more than that.
If your plot is in a city centre location you'll be lucky to get (and maintain) those prices by the end of construction - construction budgets are rarely adhered to (although it does happen of course - depends on who you use and how you manage the construction process).
If your plot is in a rural location (out in the middle of the sticks) you might even get better prices as the labour cost plummets - but normally so does the worksmanship and the adherence to time and cost budgets.
None of the above include furniture (furniture in Brazil includes all closets, wardrobes, shower heads and in some extreme cases toilet seats).
As for names - depends which state you are looking at building in.