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Sapphire and diamond brooch, circa 1915. Photo Sotheby's

Set with a cushion-shaped sapphire within a border of circular-cut diamonds, to a frame of radiating design millegrain-set with similarly cut stones, French assay mark. Estimation 72,000 — 110,000 CHF

Accompanied by SSEF report no. 72344, stating that the sapphire is of Ceylon origin, with no indications of heating.

Sotheby's. Magnificent Jewels and Noble Jewels. Genève, 13 mai 2014 - www.sothebys.com