30 novembre 2017
A superb 13.61 carats Type IIa oval-shaped brilliant-cut diamond ring
Lot 187. A superb 13.61 carats Type IIa oval-shaped brilliant-cut diamond ring. Estimate US$ 1,400,000 - 1,800,000 ( €1,200,000 - 1,500,000) . Photo: Bonhams. centering an oval-shaped brilliant-cut diamond, weighing 13.61 carats, within a raised basket...