within a shaped lozenge frame of calibre cut sapphires, the bevelled edge border set with single cut diamonds, scroll pierced gallery, mounted in platinum, indistinct serial number possibly P753, accompanied by PDF of GIA report no. 2486533802 with medium fluorescence Width of cluster at centre 11mm
Diamond 7.47 - 7.61 x 4.98mm Weight: 6g
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