Lot 174. A diamond rivière necklaceEstimate CHF 470,000 - CHF 750,000. Price realised CHF 665,000. © Christie's Image Ltd 2013

Set with sixty-six graduated oval-shaped diamonds, mounted in platinum, 42.5 cm.

Accompanied by 34 reports, dated 1995, from the GIA Gemological Institute of America stating that the diamonds, weighing 3.04 to 1.00 carats, are D to F colour, Internally Flawless to VS2 clarity.

Please note that the reports are more than five years old and might require an update.

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