honestly, just be patient and save up. make sure u do all the tasks that give u diamonds. i would say have around 3k if u want to do a le theme, but if ure doing a bigger group and just want to be on the safe side, then 3.5k+ wouldn't hurt hope this helped :))
do you think it's better to buy the R+A+A pack or just the A card? I'm really nervous for the upcoming LE event and I only have 2.8k dias so i'm trying to use my dias smartly