IMPORTANT DIAMOND NECKLACE, OSCAR MASSIN, LAST QUARTER OF THE 19TH CENTURY

Designed as a series of clusters, each set with a cushion-shaped diamond within a double border of rose diamonds, spaced by claw-set cushion-shaped diamonds and suspending a similar drop shaped pendant, length approximately 395mm, French assay marks and maker's mark for Oscar Massin, several small diamonds deficient.