In Wrath of the Lich King it is item level 272 and requires level 80. In MoP Classic it is item level 251, 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 Ymirjar Lord's Gauntlets Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Ymirjar Lord's Gauntlets suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Ymirjar Lord's Gauntlets is part of the transmog set Ymirjar Lord's Battlegear (Warrior only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Ymirjar Lord's Gauntlets Fits
Other Items Named Ymirjar Lord's Gauntlets
2 other items in the current build are also called Ymirjar Lord's Gauntlets. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 50079 (50073 to 50087) were usually added in the same batch as Ymirjar Lord's Gauntlets: the same quest line, zone, vendor or reward set.