Lot 372. Property of an European noble family. Diamond necklace, early 20th century. Estimate 350,000 — 550,000 GBP (444,779 - 698,939 EUR). Photo: Sotheby's.

Designed as a graduated line of claw-set cushion-shaped and oval diamonds, the largest six diamonds weighing 14.14, 11.34, 3.14, 8.14, 6.14 and 4.41 carats, length approximately 420mm, detachable pendant.

The current owner’s ancestor wearing lot 372 at an event with the King of Italy (centre) and the countess of Barcelona (to the King’s left).

Sotheby's. Fine Jewels, Londres, 06 juin 2016, 10:30 AM