I just came into possession of a Cartier Diamond Ring. I am having trouble determining the price. I was told by a friend to get an appraisal from local jeweler, however when I took it to a jewelry shop the jeweler took it to his desk looked at it with two maybe three different microscopes, then weighed it. All of which only took a couple minutes, then flashed a blue light on it. He confirmed it was real, and only offered me $300 for it.. Of course I declined.. Surely its worth much more? I don't have original box or any official documents pertaining to ring
Engraved inside the ring says
Cartier 750 (C) 53 QC**** <> AU750 .807ct
(C) is a copyright symbol I think
**** are four numbers (not sure if its okay to post it?)
<> is another symbol with some markings inside
Hope this makes sense, and any help is greatly appreciated.

Sorry for the bad pics.
Larry
Engraved inside the ring says
Cartier 750 (C) 53 QC**** <> AU750 .807ct
(C) is a copyright symbol I think
**** are four numbers (not sure if its okay to post it?)
<> is another symbol with some markings inside
Hope this makes sense, and any help is greatly appreciated.



Sorry for the bad pics.
Larry
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