A MAGNIFICENT SINGLE-STONE FANCY DEEP BLUE DIAMOND RING, BY BOUCHERON

細節
A MAGNIFICENT SINGLE-STONE FANCY DEEP BLUE DIAMOND RING, BY BOUCHERON

Set with an oval-cut fancy deep blue diamond weighing x.xx carats in a baguette-cut diamond half-hoop surround, mounted in platinum and 18K gold, size 6, with French assay marks
Signed by Boucheron

With certificate dated from the Gemological Institute of America stating that