2 juin 2016
Fine 10.85 carats Octagonal Step-cut Columbian Emerald and Diamond Ring
Lot 60. Fine 10.85 carats Octagonal Step-cut Columbian Emerald and Diamond Ring. Estimate HK$3,500,000 - 4,500,000 (US$450,000 - 577,000). Courtesy Tiancheng International. Centring on an octagonal step-cut emerald weighing 10.85 carats, to a stylised...