Sapphire and diamond necklace, Harry Winston. Estimate 146,000 — 245,000 CHF (137,736 - 231,132 EUR). Photo  Sotheby's.

Set with graduated circular-cut sapphires within a cluster of pear-, marquise-shaped and brilliant-cut diamonds, length approximately 435mm, signed Harry Winston, numbered.

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM