Would greatly appreciate any expert or layperson input. Pictured is my platinum engagement ring, which up until yesterday housed a 2.64 ct emerald cut diamond. The ring is barely two years old, was reset with the emerald 7 months ago (previously held a 1.4 ct round). Yesterday after light laundry and a walk I discovered that the entire center mounting and stone were gone (and not just detached, but disappeared). I can't believe that just 1/2 year of normal wear could cause such catastrophic damage. There was absolutely no impact to the hand that could explain this. Short of me welding or smashing it off myself, how could this have happened? I am absolutely certain that the work was faulty and/or the stone was put in a setting that could not properly support it. The jeweler who sold/serviced the ring has been less than helpful so far (said "these things happen..." or that there must have been significant impact for this damage to occur, which there absolutely was not). I was not satisfied with that response and will be meeting with a higher-level manager on Monday. Has anyone seen an incident like this with such a new piece? Could properly-welded platinum seriously fail like this? Suggestions/input for how to proceed? Thank you!