An antique diamond flower brooch, late 19th Century. photo: Christie's Images Ltd 2012 

Designed as a five petal openwork flowerhead, set with old, rose and circular-cut diamonds, mounted in silver and gold, 7.0 cm Lot 62. Estimate CHF37,000 - CHF55,000

Provenance: Christie's New York, 18-19 October 1993, lot 446 

Christie's. Jewels for Hope: The Collection of Mrs Lily Safra 14 May 2012 Geneva