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
Art Deco diamond and sapphire oblong cluster ring, c.1920, set with an old lozenge cut diamond to a calibre cut sapphire ground and outer diamond border of old brilliant cut stones, diamond line shoulders extending up to the principal diamond, millegrain set, engraved anthemoin and laurel to half shank, lozenge pierced to gallery, serial number within the shank 3632