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,
rose cut diamond line edged and to secondary shorter diamond line loops within, centred by a diamond flowerhead cluster, the clusters and single stone collet set with old brilliant and double eight cut diamonds, mounted in platinum, the brooch fitting in 18ct yellow gold, gallery signed 'Cartier Ft' for Cartier Fecit (Made by Cartier), 'DEPOSE' mark and numbered '66', the brooch fitting also numbered '66', estimated diamond weight approximately 8.40cts, accompanied by copy of IAJA Expertise report no. XP2136-130325 signed by Olivier Bachet & Bernhard Berger declaring that in their opinion this is a genuine Cartier item by Cartier Paris circa 1902
Literature
C.f: Museo Thyssen-Bornemisza, The Art of Cartier, Madrid, 2012-2013, pg. 12, plate 6, for a similar brooch. Length 5.2cm / 2''
Height 4.7cm / 1 7/8'' Weight: 37.5g
Antique diamond and emerald heart pendant-brooch, c.1900, centred by an inverted pear shaped Colombian emerald to a pave set old brilliant cut diamond ground, open cut down collet set in platinum and yellow gold to back, wave pierced scroll gallery, hinged pendant loop to verso and with detachable brooch fitting accompanied by AGL report no. 1124775 giving a Colombian origin opinion for the emerald with insignificant oiling
19th century nine stone vari-colour gem brooch, c.1830, of oval form, central sapphire to a surround including sapphire, ruby, catseye, hessonite garnet, aquamarine and amethyst,
Art Deco two-tone citrine scroll cluster double-clip brooches forming a bangle by Cartier, Paris, each scroll in the form of stylised boteh, also known as paisley shape,
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,