Lot 232. A natural pearl necklace. Estimate GBP 85,000 - GBP 95,000 (USD 112,880 - USD 126,160). © Christie's Images Ltd 2017

Composed of three graduated rows of 97, 103 and 105 natural pearls, measuring approximately 4.00 - 9.70mm, to a marquise and single-cut diamond cluster clasp, 60.4cm. 

Accompanied by report no. 81547 dated 31st August 2015 from the SSEF Swiss Gemmological Institute stating that the analysed properties confirm the authenticity of these saltwater natural pearls 

Christie's. Important Jewels, 29 November 2017, London