30 octobre 2016
A rare 11.25 carats unmounted square cushion mixed-cut Colombian, Muzo emerald
Lot 150. A rare 11.25 carats unmounted square cushion mixed-cut Colombian, Muzo emerald. Estimate CHF 450,000 - CHF 550,000 (USD 455,233 - USD 556,395) . Photo Christie's Image Ltd 2016. The square cushion mixed-cut emerald, weighing approximately 11.25...