1 mai 2016
A fine octagonal step-cut emerald ring
Lot 185. A fine 8.20 carats octagonal step-cut Colombian emerald ring. Estimate CHF400,000 – CHF500,000 ($411,364 - $514,205) . Photo Christie's Image Ltd 2016 Set with an octagonal step-cut emerald, weighing approximately 8.20 carats, to the plain hoop,...