Lot 227. The property of Madame Hélène Rochas. An aquamarine, kunzite and diamond choker, by Cartier. Estimate CHF 18,000 - CHF 24,000. Price realised CHF 56,250. © Christie's Image Ltd 2013

The seven strands of aquamarine faceted beads gathered by a pavé-set diamond ropework clasp centering upon a cushion-shaped kunzite, weighing approximately 61.65 carats, 33.5 cm, with French assay marks for gold and platinum. Signed and with maker’s mark for Cartier, no. R4620. 

Christie's. MAGNIFICENT JEWELS. 12 November 2013. Geneva