Per Rockwood's Floorplan and Spec Guide the Diamond Package includes: shielded awning covers, tinted bonded frameless windows, upgraded decorative solid wood slide out fascia, upgraded cabinetry hardware, upgraded tufted air hide a bed sofa with storage, deluxe interior window treatment, solid surface countertops in kitchen and living room, high gloss finish with color keyed roof and slam latches on most exterior doors.
Three different dealers have quoted us $1895 for the diamond package.
I hadn't heard about the LEDs till I joined this forum
. Going by the pictures I've seen (thanks BigRed), looks like slide toppers with the shielded awning covers are included.
Still need to verify the last two items but seems well worth the extra $.