A Belle Époque Diamond and Emerald 'Eglantine' Necklace, by Cartier. photo: Christie's Images Ltd 2012

Designed as a graduated dog rose garland, the five flowerheads with pavé-set diamond petals, old-cut diamond collet stamens and emerald detail, linked by pavé-set diamond twigs and leaves, enhanced by emerald berries, mounted in platinum and gold, 1906, 58.0 cm. Accompanied by certificate of authenticity no. GE2012-40 dated 6 March 2012 from Cartier - Estimate CHF550,000 - CHF740,000 ($604,850 - $813,798)

Provenance: Auction in Geneva, 7-8 May 1981, lot 119 

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