If I'm reading this right, and do forgive it being 5am, but this system were already implemented, you would have it be like...

3.1: ilvl 210 Raid gear
3.2: ilvl 210 Craft/Extreme Primal gear
3.3: ilvl 240 Raid gear
3.4: ilvl 240 Craft/Extreme Primal gear

and etc.