the domed central section pave set with round brilliant cut diamonds dotted with buff-top calibre cut onyx, stepped to a diamond line border either side, extending to a tapering triple reeded shank, signed 'Cartier' and 750, and with serial numbers 604019, Ste CAJ French workshop mark for Societe Cartier Joaillerie and assaymark for 18ct gold, approximately 3.75cts of diamonds, accompanied by IAJA report no. XP2797-060326 signed by Olivier Bachet declaring that in his opinion this is a genuine Cartier item from Cartier Paris Height of mount 7.0mm
Width at top centre 17.0mm
Width at back of shank 6.8mm Weight: 13.5g
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