That's like one and a half Melody Lanes.

(And yes, Lala IRL is a big girl easily dwarfing even her sire Orfevre, never mind Taishin or even Lala's borderline-a-pony little sister Melody Lane.)

Left: Lucky Lilac, Right:Orfevre

I believe her heaviest weight was between the Takarazuka kinen and Sapporo kinen, which is 524 kg! That's Kitasan Black's weight when he run at the 2016 tenno sho! Beeg Mare.