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Auction sale reference

A SENSATIONAL DIAMOND AND EMERALD NECKLACE, BY DE GRISOGONO Set with a rectangular cu

Sold for CHF 33,500,000 at Christie's on Nov 14, 2017.

Small product image of a green gemstone necklace with a large clear central stone.

Lot description

A SENSATIONAL DIAMOND AND EMERALD NECKLACE, BY DE GRISOGONO Set with a rectangular cut-cornered diamond, weighing approximately 163.41 carats, to the rectangular cut-cornered diamond and pavé-set emerald necklace, one side enhanced by two rows of pear-shaped emeralds, together with a shagreen and diamond-set bangle, 2017, 44.0 cm, mounted in gold Signed de Grisogono, numbered Accompanied by report no. 2185058201 dated 15 December 2016 from the GIA Gemological Institute of America stating that the 163.41 carat diamond is D colour, Flawless clarity, with excellent polish and excellent symmetry; and a Diamond Type Classifcation letter stating that the diamond has been determined to be Type IIa. Further accompanied by hardbound monograph from the GIA Gemological Institute of America featuring additional photography, data collection charts and gemmological research, attesting to the rarity of this diamond. (2) Estimate on Request

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