Added the Deadly Gladiator Priest PvP Set obtainable from the Emblem of Conquest Quartermaster in PTR 3.1.  The most attractive piece of the Investiture and Rainment sets is the gloves—Equip: Reduces the cooldown of your Psychic Scream ability by 3 sec.  Both sets have a (2) pieces bonus: +50 Resilence rating; and the (4) Pieces bonus Reduces the duration of the Weakened Soul effect caused by your Power Word: Shield by 2 sec.

The Gladiator’s Investiture set offers:

1250 Armor
515 Stamina
224 Intellect
227 Spirit (plus 16 spirit socket bonus)
452 Spell Power (plus 7 spell power socket bonus)
271 Resilience (plus 6 resilence rating socket bonus and plus 50+ resilience with 2 set pieces)

Meta socket x 1
Red socket x 3
Blue socket x 2
Yellow socket x 2

The Gladiator’s Raiment set offers:

1250 Armor
515 Stamina (plus 15 Stamina socket bonus)
224 Intellect
452 Spell Power (plus 12 Spell Power socket bonus)
227 Critical Strike Rating
271 Resilience (plus 8 Resilience rating socket bonus)

Meta socket x 1
Red socket x 3
Blue socket x 2
Yellow socket x 2