Diamonds burn ! There's no need to have been some treatment there - that's what happens with overheated diamonds: the polish is destroyed down to an opaque, white cover and needs to be redone. If this is even feasible (depending on how extensive the damage is) the operation is not costless and does involved some loss of weight - just like any other recut.
You might want to talk to Denver Appraiser when he gets back from Vegas, but regardless of whether you use him or GIA, I strongly recommend getting the stone checked PRIOR to repolishing. You do nt want to remove any "evidence" from the stone prior to deciding against whom to holler "calf rope".
Leanne,
This shouldn’t be all that difficult to tell. You’ve had good advice above. I would add a third choice to the list. They didn’t clean the stone before giving it back to you. When jewelers are working on a ring they regularly will put a chemical coating on the metal to protect it during the heating process. This also gets on the stone. It’s usually cleaned off before it’s given back to the client but it does give the stone a whitish appearance if they leave it there. If this is the case, it can be removed quickly and with no damage whatever to your stone. All you industry people stop laughing, I''vee seen this happen before.
Four points doesn''t sound like much of a loss. Did the diameter change ?
This is sounding increasingly fishy. The person who did the repolish job could say with 100% accuracy if the stone had been burned and if there had been a clarity enhancement that was damaged. They most certainly would have reported this to the jeweler who hired them since they are able to fix one possible problem and not the other. If it had been filled and the fill was damaged, repolishing would not solve the problem. To fix this, the damaged filling material must be removed and replaced. This is a very different process.
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