the cushion cut sapphire claw set portrait, within an undulating border of round brilliant cut diamonds graduating larger at each end, mounted in platinum, signed 'MELLERIO', serial number 2744B, Mellerio workshop mark and French platinum control mark Length of cluster 16mm
Width of cluster 13mm Weight: 6.5g
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