Prices of items Mainly known about ( from Moderator : gf )

purple p hat - 2.5b
red p hat - 3b
white p hat - 2b
green p hat - 2.5b
yellow p hat - 2.5b
blue p hat -3b
primal maul - 1.5b
primal rapier - 1b
primal 2h sword - 1b
dragon fireshield - 200m
korasi - 3.5b
divine - 1b
elysian - 700m
arcane - 500m
virtus armour set - 900m ( 300m per piece )
dragon claws - 550m
armadyl godsword - 550m
bandos godsword - 450m
amulet of fury - 20m
statius warhamer - 200m
saradomin godsword - 300m
zamorak godsword - 250m
halloween mask set - 900m ( 300m a piece )
santa hat - 450m
dark bow - 5m
dragon arrow - 5k
dragon full helm - 35m ( dropped by KBD )
dragon bone - 500k
santa costume - 1b
overload (4) - 500k
berserker ring (i) - 25m
colored whips - 20m EACH
torva - 3b ( 1b per piece! )
pernix - 300m per piece ( 900m for set )
chaotic maul - 500m
chaotic rapier - 500m
chaotic crossbow - 450m
chaotic longsword - 550m
bunny ears - 4b
gnome scarf - 2b
mages' book - 100m
gadder hammer - 250m
anger sword - 250m
pumpkin - 500m
arhims set - 100m ( 25m per piece )
dharok's set - 100m ( 25m per piece )