We stayed for one week in La Dianella and had a wonderful time. The house itself is beautifully located at the lake close to Mezzolago so you will have a wonderful view over the whole lake. Some people mentioned the proximity to the road but I'll have to say that the house is quite elevated above road level so it did not really bother us too much (the birds in the morning where much louder :-)).
You will have four double bedrooms and one single bedroom so there is plenty of room for up to nine people. It is not a luxury appartement (although of course it is clean) but it has a very unique charm that we really enjoyed.
Lorenzo was always very nice and helpful with organizing our stay and answering our questions.
We also enjoyed beeing at the Lake Ledro a lot as it is close to Lake Garda but much more quiet and relaxed.
Overall, if you're looking for a beatifully located and charming place to spend some time with family and friends, La Dianella is perfect for you.