A natural saltwater pearl necklace with a diamond set clasp

A natural saltwater pearl necklace with a diamond set clasp, graduated off-round pearls, from 3.8mm to 8.4mm, length 48cm, strung knotted to a navette shaped clasp set with an emerald cut diamond, approximately 9.1 x 6.4mm, estimated approximate weight 2.00ct, assessed colour L/M, clarity assessed as SI1/SI2 (subject to limitations imposed by the mount), surrounded by pavé set eight cut diamonds, unmarked, tested as platinum, modern safety chain, stamped '375', weight 26.03g, accompanied by a report from The Gem & Pearl Laboratory, dated 3rd October 2023, stating eighty three pearls are natural saltwater and two are cultured (22nd and 37th from tongue end)