Early 19th C French Rose Cut Diamond Necklace. With removable chain, & provision for brooch/pendant attachment. Approx. 172 diamonds in silver setting. Total diamonds approx 2ct. (W56.45g)
PROVENANCE: Count Louis de Castelvecchio (1826-1869), son of King Louis Bonaparte of Holland (Napoleon's brother); thence by direct descent to current owner - private collection, ACT (Canberra). Estimate $2,500-5,000