A Marianne Ostier Platinum and Diamond Brooch. Featuring 8 marquise diamonds weighing approximately 4.50 carats total, 39 round-cut diamonds weighing approximately 2.00 carats total and 128 baguette diamonds weighing approximately 7.00 carats total; mounted in platinum; comes withoriginal case and original bill of sale from Ostier Inc, dated 1965; length 8.10cm, width 4.30cm; weight 39.2g. Stamped with marker's mark from Ostier. Property of a New York Estate.

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