with five upright flower stems alternating sapphire or diamond centres with diamond or sapphire petals, the sapphires of cushion and oval cut, the diamonds of old cushion cut, the stems of tapering diamond line 'tied' by a channel line of calibre cut sapphires, the stones to the flowerheads claw set, mounted in white metal testing as platinum, signed 'Cartier London', marked 'JC' for Jacques Cartier, stamped PT950 for platinum, total diamond weight approximately 6.25cts, accompanied by IAJA Expertise report no. XP2404-190825 signed by Olivier Bachet declaring that in his opinion this is a 'genuine Cartier item', made as a special order by Cartier London Length 3.5cm / 1 3/8''
Width 3.7cm / 1'�'' Weight: 16.5g
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,