An 18 Karat Yellow Gold, Platinum, Citrine and Diamond Brooch, Jean Fouquet, containing a central octagonal step cut citrine measuring approximately 23.42 x 18.41 x 11.41 mm, partially surrounded by five oval mixed cut citrine measuring from approximately 12.40 x 10.75 mm to 9.30 x 5.00 mm, and six old mine cut diamonds weighing approximately 0.28 carat total. Stamp: (French assay mark).Hand inscribed: Jean Fouquet. 17.40 dwts.