1 mai 2016
A 28.33 carats octagonal-cut Colombian emerald and diamond ring
Lot 236. A 28.33 carats octagonal-cut Colombian emerald and diamond ring. Estimate CHF450,000 – CHF650,000 ($462,784 - $668,466) . Photo Christie's Image Ltd 2016 Set with an octagonal-cut emerald, weighing approximately 28.33 carats, between trapeze-cut...