In Wrath of the Lich King it is item level 232 and requires level 80. In MoP Classic it is item level 232, requires level 80 and sells to vendors for 1c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Liadrin's Gauntlets of Conquest Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Liadrin's Gauntlets of Conquest suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Similar Items
The 10 items nearest to Liadrin's Gauntlets of Conquest (item level 35) in item level among Armor > Plate, Hands slot, from item level 31 to 39.
Items Numbered Next to Liadrin's Gauntlets of Conquest
Blizzard numbers items as they are created, so the named items next to ID 48630 (48625 to 48635) were usually added in the same batch as Liadrin's Gauntlets of Conquest: the same quest line, zone, vendor or reward set.