6 mai 2017
A Sapphire and Diamond Ring
Lot 585. A 8.07 carats Madagascar Type 'Royal Blue' Sapphire and Diamond Ring. Estimate HK$ 780,000 - 980,000 ( €91,000 - 110,000 ). Photo: Bonhams. The oval-cut sapphire, weighing 8.07 carats, within an undulating rose-cut diamond surround, diamonds...