Lot 14. An Art Nouveau Ceylon yellow sapphire, citrine and enamel brooch, by René Lalique, circa 1905Estimate CHF 70,000 - CHF 90,000 (USD 70,375 - USD 90,482). © Christies Images Ltd 2017 

Centering a cushion-shaped yellow sapphire within a veronica plant surround in yellow molten glass and brown enamel, to the circular and pear-shaped citrine drop, circa 1905, 9.0 cm, with French assay mark for gold Signed Lalique. 

Accompanied by report no. 92643 dated 7 June 2017 from the SSEF Swiss Gemmological Institute stating that the origin of the yellow sapphire is Ceylon (Sri Lanka), with no indications of heating.

ProvenanceMichel Perinet

LiteratureLalique, Lalique par Lalique, Londres, Edipop, 1976, p. 43 for an illustration of this brooch

Christie's. Beyond Boundaries: Magnificent Jewels from a European Collection, 13 November 2017, Geneva