28 avril 2018
Important diamond ring
Lot 345. Important 11.66 carats D Colour, Flawless, type IIa diamond ring. Estimate 1,370,000 — 1,650,000 CHF (1,158,742 - 1,395,565 EUR ) . Courtesy Sotheby's 2018 Set with a brilliant-cut stone weighing 11.66 carats, size 52. Accompanied by GIA report...