Of openwork geometric design, set with an octagonal sapphire weighing 13.85 carats, highlighted by circular-cut and baguette diamonds, decorated with calibré-cut sapphires, length approximately 170mm, French maker's mark for Chaumet and assay marks for gold and platinum, two smaller links later added.

Accompanied by SSEF report no. 147776, stating that the sapphire is of Burmese origin, with no indications of heating; together with a Chaumet certificate of authenticity.

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