Exceptionally large natural pearls. Photo Christie's Image Ltd 2015

The largest pair of button-shaped  natural pearls at auction: 191.84 and 208.22 grains natural pearl and diamond earrings. Estimate SFr.950,000-1,250,000 (US$1,000,000-1,300,000) (€979,926 - $1,289,377). Photo Christie's Image Ltd 2015

Each button-shaped natural pearl, measuring approximately 18.80-21.65 x 16.60 and 17.50-19.60 x 22.0 mm and weighing approximately 191.84 and 208.22 grains respectively, within a cushion-shaped diamond surround, 3.0 cm

Accompanied by report and Premium Appendix no. 81448 dated 11 August 2015 from the SSEF Swiss Gemmological Institute stating that the pearls are natural saltwater pearls, and an Appendix letter stating that '... Assembling a pair of saltwater natural pearls of such impressive size and quality is very rare and exceptional'. 

A 178.34 grains natural pearl and diamond ring. Estimate SFr.240,000 – CHF290,000 (US$247,560 - $299,135). Photo Christie's Image Ltd 2015

The button-shaped natural pearl, measuring approximately 19.35-20.60 x 15.02 mm and weighing approximately 178.34 grains, within a cushion-shaped diamond surround, ring size 5

Accompanied by report no. 81837 dated 7 September 2015 from the SSEF Swiss Gemmological Institute stating that the pearl is a natural saltwater pearl. 

CHRISTIE'S. GENEVA MAGNIFICENT JEWELS, 10 November 2015, Geneva