the gold wirework boule head topped by a square cut peridot between two round brilliant cut diamonds, with diamond line gallery collet set with scalloped edge, set with graduated old brilliant, double-eight and single cut diamonds extending to form two diamond chevrons to each shoulder, mounted in gold testing as 18ct and platinum, signed 'CARTIER MTG' and with serial number 53-49653, the peridot of approximately 1.90ct, approximately 1.75cts of diamonds in all, accompanied by (PDF scan of) IAJA expertise report no. XP2903-170326 from Olivier Bachet confirming that in in his opinion this is a genuine Cartier item from Cartier New York, made as a special order Head 21.0 long x 16.4 wide x 8mm high
Peridot 7.0 x 7.0 x 4.5mm Weight: 8g
Late 19th century five stone ruby ring, c.1890, the graduated cushion cut Burma rubies, approximately 4.10cts, with eight rose cut diamond points in between, to a pierced and scroll engraved gallery, fluted shoulders, mounted in 18ct gold, stamped '18CT', accompanied by GCS report no. 5776-4880 giving a Burma origin opinion for the rubies and that they show no evidence of heat treatment
Antique emerald five stone ring, c.1850, claw set with graduated square cut corner step-cut stones, carved gold sides, total emerald weight approximately 2.75cts