Lot 23. An Art Nouveau diamond, enamel and glass 'Hawthorn' brooch, by René Lalique. Estimate CHF 90,000 - CHF 130,000 (USD 90,069 - USD 130,100). Price realised CHF 287,5000 © Christie's Images Ltd 2017

Modelled as a realistic hawthorn branch with opalescent glass flowers and enamelled branches, the window enamel leaves with diamond accents, the thicker branch inscribed 'JE REFLEURIRAY', 1899-1901, 8.5 cm, with French assay mark for gold Signed Lalique.

Exhibited: Zürich, Museum Bellerive, René Lalique, no. 10, 1978

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