Lot 309. Pair of fine diamond ear clips, Harry Winston. Estimate 405,000 — 610,000 CHF. Photo: Sotheby's

Each set with pear-shaped diamonds ranging from 2.26 to 4.40 caratsunsigned, numbered, one ear clip with maker's marks for Jacques Timey. 

Accompanied by six GIA reports stating that the tested diamonds weighing from 3.98 to 4.40 carats, are D to E Colour, VVS2 to SI2 Clarity. 

Sotheby's. Magnificent Jewels and Noble Jewels, Session 3, Geneva, 16 May 2017, 07:00 PM