A small collection of jewellery

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1st: An early 20th century jade and pearl brooch, the oval jade plaque carved to depict two flowers, with single-cut diamonds and pearl highlights to either side, mounted in platinum, 2nd: A diamond bar brooch, circa 1910, the flowerhead cluster set throughout with old brilliant-cut diamonds, mounted in platinum and gold, 3rd: A diamond eternity ring, set with a continuous row of brilliant-cut diamonds, diamonds in 2nd approx. 0.60ct total, diamonds in 3rd approx. 1.00ct total, 1st with replacement brooch fitting, pearls untested, jade untested, lengths 1st: 4.2cm, 2nd 5.5cm, 3rd ring size approx. K (3)