Speak to Al'Abas... again.
I think I see the problem. Your puny eyes are too weak to detect the mana-infused finery that these elves have spread throughout the land. They've been wearing jewelry the entire time, and you simply couldn't see it. I propose a partnership, my newly minted associate. My lamp currently suffers from an embarrassing lack of magic and could always use more beautiful decorations. I propose a trade. I shall pierce this sinister Sindorei veil, and you shall give me the spoils of your theft.