A Graduated Single Strand Natural Pearl Necklace, consisting of 138 pearls measuring approximately 1.89-4.41 mm in diameter strung knotted with a platinum topped gold clasp containing two old European cut diamonds weighing approximately 0.20 carat total.Accompanied by a Gemological Institute of America pearl identification certificate number 1162657625, dated October 3, 2014, stating Pearls: Predominantly Natural, Environment: Saltwater, Species Pinctada, Treatment: No indications of treatment, Shape: Near Round, Bodycolor: White, Overtone: None.