Lot 364. 6.47 carats, D Colour, VS1 Clarity marquise-shaped diamond ring, Van Cleef & Arpels. Estimate 120,000 — 170,000 CHF (109,670 - 155,366 EUR). Photo Sotheby's. 

Set with a marquise-shaped diamond weighing 6.47 carats, between similarly shaped and brilliant-cut diamonds, size 52, signed VC&A, numbered.

Accompanied by GIA report no. 10643498, stating that the diamond is D Colour, VS1 Clarity. 

Sotheby's. Magnificent Jewels and Noble Jewels, Geneva, 17 May 2016, 10:00 AM