Not yet observed in the beta: the Forever client retains this item's record without its stats. Those are sent by the server in-game.Until someone records it, the Classic tooltip is shown below. Forever has reviewed every dungeon's loot, so changes are expected.
In Classic Era, dropped by Emperor Dagran Thaurissan, Blackrock Depths(14%).
Classic 1.15.9.69722
Imperial Jewel
Binds when picked up
Neck
+7 Stamina
Requires Level 55
Equip: +32 Attack Power.
Sell Price: 1g 96s 46c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.