The single strand comprising 190 natural pearls graduated from 4.7 mm to 1.6 mm, joined to a pavé-set rose-cut diamond lozenge clasp centering an old mine-cut diamond weighing approximately 0.35 carat, length 17 1/2 ins

With report 1142281127 dated 5 January 2012 from the Gemological Institute of America stating predominantly natural pearls, saltwater origin, no indications of treatments