5 mai 2018
Diamond ring
Lot 320. Marquise brilliant-cut diamond of 21.83 carats, colour, VVS2 clarity, potentially Internally Flawless, type IIa ring. Estimate CHF 1,800,000 - CHF 2,500,000 (USD 1,808,005 - USD 2,511,119) . © Christie's Images Ltd 2018. Marquise brilliant-cut...