Read from the World of Warcraft client build files.
How Wine-Dark Royal Robe Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Wine-Dark Royal Robe suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 10 items nearest to Wine-Dark Royal Robe (item level 13) in item level among Armor > Cloth, Chest slot, from item level 12 to 15.
Blizzard numbers items as they are created, so the named items next to ID 239728 (239720 to 239736) were usually added in the same batch as Wine-Dark Royal Robe: the same quest line, zone, vendor or reward set.