5.40 carats Diamond ring, Harry Winston

The step-cut diamond weighing 5.40 carats, set between tapered baguette diamond shoulders, mounted in platinum, signed Winston, case. Estimate 175,000—310,000 CHF- unsold

Accompanied by GIA report no. 13763680 stating that the diamond is F Colour, VS1 Clarity

Sotheby's. Magnificent Jewels. 19 Nov 08. Geneva. Photo courtesy Sotheby's. www.sothebys.com