The Ministry of Culture just issued this press release.
The height of the pedestals is 1.40, width 1.36, depth 0.72 m. The total height of the statues and pedestals is 3.67 m - since the statues wore poloi they were 367 - 140 = 2.37 m high or 'heroic' size ...
I am not
home, so can't check to compare the statues from the Mausoleum of
Halicarnassus but the statues there differed in size partly based on
where they were on the building, and partly depending on whether they
depicted gods or heroes (ie Mausollus and the dead Hecatomnids were 3 m
"The second floor is elevated by 0.07 M. Trace blue color detected in front of the upper surface"
The floor is a rough marble chip 'mosaic' - I used the term loosely, as there were much higher quality mosaics from Olynthus, well dated to before 348 BC when Philip II destroyed the city. (So let's not waste time on the claim that this too makes the tomb Roman, unless one is going to argue Philip and Alexander were ...).
From the photo it looks as if this floor was covered with a mostly now missing layer which was painted reddish-purple. The 'skirting' band seems to have been painted blue. It was not unusual to paint architectural elements - for an early example of this and of the addition of gilded bronze elements, see the Erechtheion and other capitals from the Acropolis in Athens. Many domestic interiors, for example at Pompeii and on Delos, used stucco and paint to imitate monumental architecture and coloured marbles.