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 18th century cushion cut diamond five petal flowerhead brooch, c.1790, centred by a principal slightly hexagonal old cut diamond in border of smaller cushion cuts,
Late 19th / early 20th century Russian spectacle set sapphire and gold long chain necklace by Fyodor Ruch of St. Petersburg, assayed Moscow 1898-1908, the chain spaced by 24 cushion, round and oval cabochon sapphires,