Objectives
You may either keep the ring, or you may find the person responsible for the imprint and engravings on the inside of the band.
Provided: 
Brilliant Gold Ring
Description
Opening the box produced by the Sparklematic 5200 reveals what you had suspected - a shiny ring! Wearing the ring, you feel magic power surge through you body.
Inside the band is a small but nonetheless discernable imprint of the seal of Ironforge. Next to that, three small initials are engraved: "TdK". This may signify either the initials of the previous owner, or perhaps the initials of the ring's crafter. Keep the ring... or return it to this person. Decisions, decisions...
Progress
Hey, easy there partner - I'm a very important businessman! I am sure that the courier is just simply late with the delivery of the rent... wait... you're not my landlord.
Well, of course you aren't - silly me! You've come to me seeking the finest jeweler in all of Ironforge, one who does NOT make CURSED items! Yes!
Um... what do you need?
Completion
A ring, you say? Let's see... yep, I made that ring by golly.
Before Gnomeregan went up, I had a small shop there. Perhaps it's one I left behind when I ran for the hills; it's a simple design, and I made several like it. Maybe it's from someone who didn't make it out.
Dark Iron dwarves had this? Well, that puts a new layer of conspiracy on the nine different layers already floating about. Maybe the authorities would like to know; it's wasted on the likes of me.
Now, back to the ring...