Read from the World of Warcraft client build files.
How Radiant Lightbringer Crown Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Radiant Lightbringer Crown suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Radiant Lightbringer Crown is part of the transmog set Radiant Lightbringer Armor (Paladin only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Radiant Lightbringer Crown Fits
Other Items Named Radiant Lightbringer Crown
2 other items in the current build are also called Radiant Lightbringer Crown. 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 247113 (247108 to 247118) were usually added in the same batch as Radiant Lightbringer Crown: the same quest line, zone, vendor or reward set.