And an onyx cut into a square cousin...
FRENCH jeweler CN...
In good condition, the setting is in its original condition, with small dents and scratches from use...
Of course it can be polished...
Finger size 56...
Here too it can be resized by a professional...
The guarantee hallmark is missing. I could have it installed (allow 1 month delay)...
Weight... 18.2 gr