Necklace with two strands of natural pearls, platinum, diamonds and rubies

MATERIALS: natural pearls, platinum, diamonds and rubies DESCRIPTION: two-strand choker in natural pearls degraded with platinum firmness embellished with two rubies cut square between old-cut diamonds, bears the mark 18 Plat MEASURES: open 46 cm WEIGHT: three hundred and three natural pearls from 3.1 mm to 7.6 mm, cream color, with certificate of Gemmological Certification Services, London, n. 78159-48, gr 45.1