the chalcedony plaques inset with an oblong diamond and black enamel panel of geometric design, with French marks stamped to chain connections Diameter 13.5mm Weight: 9g
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,