the oval shaped top formed of a laurel wreath around a line of diamonds and central foliate cluster, suspending a similar drop shaped swing cluster, with draped ribbon collet tassels either side, millegrain set throughout, with a fitted Cartier case, tool and tracelink chain necklet and pendant fitting, accompanied by PDF scan of IAJA expertise report no. XP1444-031223 signed by Olivier Bachet and Bernhard Berger declaring that in their opinion this is a genuine Cartier item from Cartier Paris, c.1909.
For a similar example see:
'Cartier. 1900-1939', Judy Rudoe, Abrams & Metropolitan Museum of Art 1997, p.78 Length 7.3cm / 2 3/8'' Weight: 21g
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