boots chest armors gloves helms pants shoulders shields
Broken Crown
http://eu.battle.net/d3/en/item/broken-crown
Leoric's Crown
http://eu.battle.net/d3/en/item/leorics-crown
Blind Faith
http://eu.battle.net/d3/en/item/blind-faith
Skull of Resonance (ex Giant Skull)
http://eu.battle.net/d3/en/item/skull-of-resonance
Andariel's Visage
http://eu.battle.net/d3/en/item/andariels-visage
The Helm of Rule / The Helm of Command
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/the-helm-of-command
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/the-helm-of-rule
Mempo of Twilight
http://eu.battle.net/d3/en/item/mempo-of-twilight
Cain's Insight / Cain's Memory
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/cains-laurel
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/cains-insight
Aughild's Spike / Aughild's Peak
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/aughilds-brow
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/aughilds-spike
Guardian's Gaze / Guardian's Foresight
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/guardians-watch
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/guardians-gaze
Sage's Apogee / Sage's Orbit
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/sages-stones
http://eu.battle.net/d3/en/artisan/blacksmith/recipe/sages-apogee
Deathseer's Cowl
http://eu.battle.net/d3/en/item/deathseers-cowl
Immortal King's Triumph
http://eu.battle.net/d3/en/item/immortal-kings-triumph
Natalya's Sight
http://eu.battle.net/d3/en/item/natalyas-sight
Tal Rasha's Guise of Wisdom
http://eu.battle.net/d3/en/item/tal-rashas-guise-of-wisdom
Crown of the Invoker
http://eu.battle.net/d3/en/item/crown-of-the-invoker
Sunwuko's Crown
http://eu.battle.net/d3/en/item/sunwukos-crown
Mask of the Searing Sky (Monk only)
http://eu.battle.net/d3/en/item/mask-of-the-searing-sky
Eyes of the Earth
http://eu.battle.net/d3/en/item/eyes-of-the-earth
Jade Harvester's Wisdom
http://eu.battle.net/d3/en/item/jade-harvesters-wisdom
Uliana's Spirit (Monk only)
http://eu.battle.net/d3/en/item/ulianas-spirit
Vyr's Sightless Skull
http://eu.battle.net/d3/en/item/vyrs-sightless-skull
The Shadow's Mask
http://eu.battle.net/d3/en/item/the-shadows-mask
Visage of Gunes
http://eu.battle.net/d3/en/item/visage-of-gunes
Warhelm of Kassar
http://eu.battle.net/d3/en/item/warhelm-of-kassar
Decree of Justice (Monk only)
.https://us.diablo3.com/en/item/decree-of-justice-P67_Unique_Helm_Set_02
Pride's Fall
http://eu.battle.net/d3/en/item/prides-fall
Infernal Helm (transmogrification only)
Reaper of Souls Digital Deluxe & Collector's Edition only
Death Mask (transmogrification only)
Reaper of Souls Digital Deluxe & Collector's Edition only
Hallowed Helm (transmogrification only)
Reaper of Souls Digital Deluxe & Collector's Edition only
Conqueror's Shako (transmogrification only)
Seasons
Helm of the Hierarch (transmogrification only)
Starcraft II : Legacy of the Void Digital Deluxe Edition only
Visage of the Betrayer (transmogrification only)
http://eu.battle.net/d3/en/item/visage-of-the-betrayer-1guOaF
Star Helm (transmogrification only)
http://us.battle.net/d3/en/item/star-helm
How to get : beat Orlash
Helm of the Cranial Crustacean (transmogrification only)
http://us.battle.net/d3/en/item/helm-of-the-cranial-crustacean
How to get : beat The Succulent in Act V - Greyhollow Island - Tidal Cave level 1 
Red Soul Shard (transmogrification only)
http://eu.battle.net/d3/en/item/red-soul-shard-45IolL
boots chest armors gloves helms pants shoulders shields