featuring a principal round bouton pearl to the middle of an openwork calibre cut ruby and diamond flowerhead, outer cushion cut ruby frame spaced by four smaller bouton pearls and four cushion cut diamonds, ruby and diamond foliate cluster to either side, the whole suspending five graduated bellflowers set with lines of graduated rubies and diamonds and with pearl terminal, open set in gold and silver to the diamonds, French assaymarks for gold Diameter 6cm / 2 3/8''
Length 7.5cm / 3'' Weight: 28.5g
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 century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,