A single-row natural pearl necklace, the pearls graduate from 4.1-8.1mm with an Art Deco diamond-set platinum and white gold clasp, the clasp inscribed 'pat. no. 210520, 63.5cm long Accompanied by report number 79187-76 dated 21 November 2018 from GCS, London stating that the 105 pearls graduate from 4.1-8.1mm and are natural saltwater with no indications of treatment.