Read from the World of Warcraft client build files.
How Amaranthine Robe Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Amaranthine Robe suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Amaranthine Robe is part of the transmog set Vestments of the Eternal Dynasty (Priest, Mage and Warlock only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Amaranthine Robe Fits
Other Items Named Amaranthine Robe
1 other item in the current build is also called Amaranthine Robe. 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 101895 (101890 to 101900) were usually added in the same batch as Amaranthine Robe: the same quest line, zone, vendor or reward set.