the ovoid body formed of carved translucent beige-brown agate, hinged and opening at the shoulder, gold mounted rim with lines of rose cut diamonds and bands of guilloche green enamel, topped by a rose cut diamond set flower to a diamond line suspension loop, unsigned, serial number 1799, with French assaymark and CS workshop mark for Cesard & Sthummer, accompanied by IAJA expertise report no. XP1389-041023 signed by Olivier Bachet declaring that in his opinion this is a genuine Cartier item from Cartier Paris circa 1906 Length overall including bail 3.8cm / 1�''
Egg: 3.0 x 2.1cm / 1 1/8 x 7/8'' Weight: 16g
Large early 20th century diamond set articulated openwork oval brooch-pendant, c.1905, possibly French, featuring a knifebar lattice with central yellow diamond, of approximately 0.65ct, in white diamond flowerhead cluster,