BOUCHERON. A sapphire and diamond ring

Of abstract design, centring on a cluster of brilliant-cut diamonds accented with a square-cut sapphire, extending along the finger with marquise- and baguette-cut diamonds, 1960s, signed Boucheron and stamped PT950 for platinum, French assay marks for 18ct gold and platinum. Principal brilliant-cut diamonds accompanied by the following French Gemmological Laboratory certificates; No.222924 stating that the diamond weighing 1.79cts is D colour VVS1 clarity, No.208190 stating that the diamond weighing 1.06cts is E colour VVS2 clarity, No. 208191 stating that the diamond weighing 1.07cts is E colour VS1 clarity. Size I.


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