Much depends on definition. Some people's definition of a beginner instrument is the cheapest you can get that is playable. There's nothing wrong with that definition in my opinion, especially when you are talking about something the price of a cello. Other people define beginners' instruments as anything up to the point where your long suffering teacher begs you to get a better one because the present one is limiting you so much. I would be very suspicious indeed of the motives of any cello teacher who tried to tell anyone below at least grade 6 that any Gliga, or a Prima 200 for that matter, was holding them back - assuming of course that neither instrument has a set up problem which is making it difficult to play. There is someone on these forums (I honestly can't remember who it is) whose son got up to grade 8 distinction on a Stentor student or something similar and another parent here whose son reached something like grade 7 on a very cheap gear4music cello. I know someone who did grade 8 violin on a Zeller and I myself did grade 8 viola on a Poller. But then teachers do vary and I guess those who are used to dealing with rich parents, who are also willing to spend their money, are able to recommend things that other teachers can only dream of.
As for the relative qualities of the Gliga / Prima 200 cello, I couldn't possibly comment without getting into trouble with the mods

and neither could I claim to be unbiased, but in terms of specification, quality and manufacture the cheapest Gliga is directly comparable to both the cheaper Poller and the cheaper Zeller (1360/1399)
Just one more thing - if you are looking around comparing prices, do look for up to date prices - our wholesaler has put the prices up several times in the past year because of the exchange rate. For example, something that was £69.50 for years has gone up in stages over the past few months to £89.50, that is a jump of almost 30%. Do not assume that any price you see on a website is correct unless you have checked it. Prices are moving so fast that it is possible some retailers are simply not keeping up

- which, of course, makes your friend's cello even better value.
Liz