Lot 74. A 64.18 carats Colombian emerald, diamond and pearl pendant necklace. Estimate CHF300,000 – CHF400,000 ($308,523 - $411,364). Photo Christie's Image Ltd 2016

The emerald detachable pendant, weighing approximately 64.18 carats, with diamond-set cap, to the diamond and pearl flowerhead surmount and cable-link chain, pendant 6.0 cm, chain 46.0 cm, mounted in platinum

Accompanied by report no. CS1073386 dated 14 March 2016 from the AGL American Gemological Laboratories stating that the origin of the emerald is Colombia, with minor clarity enhancement.

Please note that the pearls have not been tested for natural origin.

Christie's. GENEVA MAGNIFICENT JEWELS, 18 May 2016, Geneva